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Finding the Fourth Proportional to 676,472.84, 933,481.14 and 374,660.36

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Solution

The fourth proportional to 676,472.84, 933,481.14 and 374,660.36 is: 517,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,472.84 : 933,481.14 = 374,660.36 : x
  2. Step 2: Convert to fraction form
    676,472.84/933,481.14 = 374,660.36/x
  3. Step 3: Cross multiply
    676,472.84x = 933,481.14 × 374,660.36
  4. Step 4: Simplify right side
    676,472.84x = 349,738,379,965.61
  5. Step 5: Solve for x
    x = 349,738,379,965.61/676,472.84
  6. Step 6: Final answer
    x = 517,002.84

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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.