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Finding the Fourth Proportional to 418,152.64, 626,452.98 and 283,151.56

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Solution

The fourth proportional to 418,152.64, 626,452.98 and 283,151.56 is: 424,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,152.64 : 626,452.98 = 283,151.56 : x
  2. Step 2: Convert to fraction form
    418,152.64/626,452.98 = 283,151.56/x
  3. Step 3: Cross multiply
    418,152.64x = 626,452.98 × 283,151.56
  4. Step 4: Simplify right side
    418,152.64x = 177,381,138,553.65
  5. Step 5: Solve for x
    x = 177,381,138,553.65/418,152.64
  6. Step 6: Final answer
    x = 424,201.89

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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.