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Finding the Fourth Proportional to 369,874.84, 554,815.97 and 117,150.52

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Solution

The fourth proportional to 369,874.84, 554,815.97 and 117,150.52 is: 175,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,874.84 : 554,815.97 = 117,150.52 : x
  2. Step 2: Convert to fraction form
    369,874.84/554,815.97 = 117,150.52/x
  3. Step 3: Cross multiply
    369,874.84x = 554,815.97 × 117,150.52
  4. Step 4: Simplify right side
    369,874.84x = 64,996,976,029.97
  5. Step 5: Solve for x
    x = 64,996,976,029.97/369,874.84
  6. Step 6: Final answer
    x = 175,726.95

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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.