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Finding the Fourth Proportional to 372,732.30, 559,098.45 and 254,634.30

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Solution

The fourth proportional to 372,732.30, 559,098.45 and 254,634.30 is: 381,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,732.30 : 559,098.45 = 254,634.30 : x
  2. Step 2: Convert to fraction form
    372,732.30/559,098.45 = 254,634.30/x
  3. Step 3: Cross multiply
    372,732.30x = 559,098.45 × 254,634.30
  4. Step 4: Simplify right side
    372,732.30x = 142,365,642,446.84
  5. Step 5: Solve for x
    x = 142,365,642,446.84/372,732.30
  6. Step 6: Final answer
    x = 381,951.45

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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.