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Finding the Fourth Proportional to 369,517.53, 554,276.77 and 89,034.78

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Solution

The fourth proportional to 369,517.53, 554,276.77 and 89,034.78 is: 133,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,517.53 : 554,276.77 = 89,034.78 : x
  2. Step 2: Convert to fraction form
    369,517.53/554,276.77 = 89,034.78/x
  3. Step 3: Cross multiply
    369,517.53x = 554,276.77 × 89,034.78
  4. Step 4: Simplify right side
    369,517.53x = 49,349,910,053.47
  5. Step 5: Solve for x
    x = 49,349,910,053.47/369,517.53
  6. Step 6: Final answer
    x = 133,552.28

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1.5x scale

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.