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Finding the Fourth Proportional to 694,618.53, 957,654.66 and 500,864.10

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Solution

The fourth proportional to 694,618.53, 957,654.66 and 500,864.10 is: 690,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,618.53 : 957,654.66 = 500,864.10 : x
  2. Step 2: Convert to fraction form
    694,618.53/957,654.66 = 500,864.10/x
  3. Step 3: Cross multiply
    694,618.53x = 957,654.66 × 500,864.10
  4. Step 4: Simplify right side
    694,618.53x = 479,654,839,391.71
  5. Step 5: Solve for x
    x = 479,654,839,391.71/694,618.53
  6. Step 6: Final answer
    x = 690,529.86

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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.