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Finding the Fourth Proportional to 440,248.28, 660,102.54 and 187,384.77

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Solution

The fourth proportional to 440,248.28, 660,102.54 and 187,384.77 is: 280,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,248.28 : 660,102.54 = 187,384.77 : x
  2. Step 2: Convert to fraction form
    440,248.28/660,102.54 = 187,384.77/x
  3. Step 3: Cross multiply
    440,248.28x = 660,102.54 × 187,384.77
  4. Step 4: Simplify right side
    440,248.28x = 123,693,162,634.32
  5. Step 5: Solve for x
    x = 123,693,162,634.32/440,248.28
  6. Step 6: Final answer
    x = 280,962.29

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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.