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Finding the Fourth Proportional to 626,331.52, 864,978.24 and 586,207.36

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Solution

The fourth proportional to 626,331.52, 864,978.24 and 586,207.36 is: 809,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,331.52 : 864,978.24 = 586,207.36 : x
  2. Step 2: Convert to fraction form
    626,331.52/864,978.24 = 586,207.36/x
  3. Step 3: Cross multiply
    626,331.52x = 864,978.24 × 586,207.36
  4. Step 4: Simplify right side
    626,331.52x = 507,056,610,527.85
  5. Step 5: Solve for x
    x = 507,056,610,527.85/626,331.52
  6. Step 6: Final answer
    x = 809,565.85

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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.