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Finding the Fourth Proportional to 440,151.90, 660,227.85 and 282,687.90

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Solution

The fourth proportional to 440,151.90, 660,227.85 and 282,687.90 is: 424,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,151.90 : 660,227.85 = 282,687.90 : x
  2. Step 2: Convert to fraction form
    440,151.90/660,227.85 = 282,687.90/x
  3. Step 3: Cross multiply
    440,151.90x = 660,227.85 × 282,687.90
  4. Step 4: Simplify right side
    440,151.90x = 186,638,424,438.02
  5. Step 5: Solve for x
    x = 186,638,424,438.02/440,151.90
  6. Step 6: Final answer
    x = 424,031.85

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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.