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Finding the Fourth Proportional to 526,385.04, 725,753.04 and 439,295.52

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Solution

The fourth proportional to 526,385.04, 725,753.04 and 439,295.52 is: 605,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,385.04 : 725,753.04 = 439,295.52 : x
  2. Step 2: Convert to fraction form
    526,385.04/725,753.04 = 439,295.52/x
  3. Step 3: Cross multiply
    526,385.04x = 725,753.04 × 439,295.52
  4. Step 4: Simplify right side
    526,385.04x = 318,820,059,098.38
  5. Step 5: Solve for x
    x = 318,820,059,098.38/526,385.04
  6. Step 6: Final answer
    x = 605,678.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.