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Finding the Fourth Proportional to 696,424.29, 960,657.24 and 437,891.43

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Solution

The fourth proportional to 696,424.29, 960,657.24 and 437,891.43 is: 604,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,424.29 : 960,657.24 = 437,891.43 : x
  2. Step 2: Convert to fraction form
    696,424.29/960,657.24 = 437,891.43/x
  3. Step 3: Cross multiply
    696,424.29x = 960,657.24 × 437,891.43
  4. Step 4: Simplify right side
    696,424.29x = 420,663,572,563.45
  5. Step 5: Solve for x
    x = 420,663,572,563.45/696,424.29
  6. Step 6: Final answer
    x = 604,033.46

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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.