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Finding the Fourth Proportional to 369,357.35, 554,035.95 and 88,874.60

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Solution

The fourth proportional to 369,357.35, 554,035.95 and 88,874.60 is: 133,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,357.35 : 554,035.95 = 88,874.60 : x
  2. Step 2: Convert to fraction form
    369,357.35/554,035.95 = 88,874.60/x
  3. Step 3: Cross multiply
    369,357.35x = 554,035.95 × 88,874.60
  4. Step 4: Simplify right side
    369,357.35x = 49,239,720,671.69
  5. Step 5: Solve for x
    x = 49,239,720,671.69/369,357.35
  6. Step 6: Final answer
    x = 133,311.88

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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.