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Finding the Fourth Proportional to 576,032.10, 864,048.15 and 543,372.90

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Solution

The fourth proportional to 576,032.10, 864,048.15 and 543,372.90 is: 815,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,032.10 : 864,048.15 = 543,372.90 : x
  2. Step 2: Convert to fraction form
    576,032.10/864,048.15 = 543,372.90/x
  3. Step 3: Cross multiply
    576,032.10x = 864,048.15 × 543,372.90
  4. Step 4: Simplify right side
    576,032.10x = 469,500,349,005.14
  5. Step 5: Solve for x
    x = 469,500,349,005.14/576,032.10
  6. Step 6: Final answer
    x = 815,059.35

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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.