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Finding the Fourth Proportional to 726,658.88, 1,088,412.96 and 351,896

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Solution

The fourth proportional to 726,658.88, 1,088,412.96 and 351,896 is: 527,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,658.88 : 1,088,412.96 = 351,896 : x
  2. Step 2: Convert to fraction form
    726,658.88/1,088,412.96 = 351,896/x
  3. Step 3: Cross multiply
    726,658.88x = 1,088,412.96 × 351,896
  4. Step 4: Simplify right side
    726,658.88x = 383,008,166,972.16
  5. Step 5: Solve for x
    x = 383,008,166,972.16/726,658.88
  6. Step 6: Final answer
    x = 527,081.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.