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Finding the Fourth Proportional to 695,592.24, 959,952.96 and 389,650.20

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Solution

The fourth proportional to 695,592.24, 959,952.96 and 389,650.20 is: 537,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,592.24 : 959,952.96 = 389,650.20 : x
  2. Step 2: Convert to fraction form
    695,592.24/959,952.96 = 389,650.20/x
  3. Step 3: Cross multiply
    695,592.24x = 959,952.96 × 389,650.20
  4. Step 4: Simplify right side
    695,592.24x = 374,045,862,854.59
  5. Step 5: Solve for x
    x = 374,045,862,854.59/695,592.24
  6. Step 6: Final answer
    x = 537,737.26

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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.