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Finding the Fourth Proportional to 440,002.71, 660,193.70 and 237,558.60

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Solution

The fourth proportional to 440,002.71, 660,193.70 and 237,558.60 is: 356,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,002.71 : 660,193.70 = 237,558.60 : x
  2. Step 2: Convert to fraction form
    440,002.71/660,193.70 = 237,558.60/x
  3. Step 3: Cross multiply
    440,002.71x = 660,193.70 × 237,558.60
  4. Step 4: Simplify right side
    440,002.71x = 156,834,689,913.03
  5. Step 5: Solve for x
    x = 156,834,689,913.03/440,002.71
  6. Step 6: Final answer
    x = 356,440.28

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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.