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Finding the Fourth Proportional to 369,874.60, 554,815.59 and 117,150.28

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Solution

The fourth proportional to 369,874.60, 554,815.59 and 117,150.28 is: 175,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,874.60 : 554,815.59 = 117,150.28 : x
  2. Step 2: Convert to fraction form
    369,874.60/554,815.59 = 117,150.28/x
  3. Step 3: Cross multiply
    369,874.60x = 554,815.59 × 117,150.28
  4. Step 4: Simplify right side
    369,874.60x = 64,996,801,716.87
  5. Step 5: Solve for x
    x = 64,996,801,716.87/369,874.60
  6. Step 6: Final answer
    x = 175,726.59

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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.