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Finding the Fourth Proportional to 572,896.10, 859,344.15 and 324,064.10

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Solution

The fourth proportional to 572,896.10, 859,344.15 and 324,064.10 is: 486,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,896.10 : 859,344.15 = 324,064.10 : x
  2. Step 2: Convert to fraction form
    572,896.10/859,344.15 = 324,064.10/x
  3. Step 3: Cross multiply
    572,896.10x = 859,344.15 × 324,064.10
  4. Step 4: Simplify right side
    572,896.10x = 278,482,588,560.02
  5. Step 5: Solve for x
    x = 278,482,588,560.02/572,896.10
  6. Step 6: Final answer
    x = 486,096.15

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Half scale
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Double scale
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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.