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Finding the Fourth Proportional to 572,318.10, 858,477.15 and 362,193.30

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Solution

The fourth proportional to 572,318.10, 858,477.15 and 362,193.30 is: 543,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,318.10 : 858,477.15 = 362,193.30 : x
  2. Step 2: Convert to fraction form
    572,318.10/858,477.15 = 362,193.30/x
  3. Step 3: Cross multiply
    572,318.10x = 858,477.15 × 362,193.30
  4. Step 4: Simplify right side
    572,318.10x = 310,934,671,933.10
  5. Step 5: Solve for x
    x = 310,934,671,933.10/572,318.10
  6. Step 6: Final answer
    x = 543,289.95

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Half scale
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Double scale
Find fourth proportional to 572,319.10, 858,478.65 and 362,194.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.