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Finding the Fourth Proportional to 369,553.74, 554,360.85 and 116,851.56

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Solution

The fourth proportional to 369,553.74, 554,360.85 and 116,851.56 is: 175,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,553.74 : 554,360.85 = 116,851.56 : x
  2. Step 2: Convert to fraction form
    369,553.74/554,360.85 = 116,851.56/x
  3. Step 3: Cross multiply
    369,553.74x = 554,360.85 × 116,851.56
  4. Step 4: Simplify right side
    369,553.74x = 64,777,930,125.43
  5. Step 5: Solve for x
    x = 64,777,930,125.43/369,553.74
  6. Step 6: Final answer
    x = 175,286.90

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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.