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Finding the Fourth Proportional to 440,188.88, 659,904.42 and 187,237.76

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Solution

The fourth proportional to 440,188.88, 659,904.42 and 187,237.76 is: 280,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,188.88 : 659,904.42 = 187,237.76 : x
  2. Step 2: Convert to fraction form
    440,188.88/659,904.42 = 187,237.76/x
  3. Step 3: Cross multiply
    440,188.88x = 659,904.42 × 187,237.76
  4. Step 4: Simplify right side
    440,188.88x = 123,559,025,414.90
  5. Step 5: Solve for x
    x = 123,559,025,414.90/440,188.88
  6. Step 6: Final answer
    x = 280,695.47

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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.