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Finding the Fourth Proportional to 440,610.76, 660,951.15 and 187,893.40

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Solution

The fourth proportional to 440,610.76, 660,951.15 and 187,893.40 is: 281,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,610.76 : 660,951.15 = 187,893.40 : x
  2. Step 2: Convert to fraction form
    440,610.76/660,951.15 = 187,893.40/x
  3. Step 3: Cross multiply
    440,610.76x = 660,951.15 × 187,893.40
  4. Step 4: Simplify right side
    440,610.76x = 124,188,358,807.41
  5. Step 5: Solve for x
    x = 124,188,358,807.41/440,610.76
  6. Step 6: Final answer
    x = 281,855.03

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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.