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Finding the Fourth Proportional to 416,500.53, 574,341.13 and 356,270.55

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Solution

The fourth proportional to 416,500.53, 574,341.13 and 356,270.55 is: 491,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,500.53 : 574,341.13 = 356,270.55 : x
  2. Step 2: Convert to fraction form
    416,500.53/574,341.13 = 356,270.55/x
  3. Step 3: Cross multiply
    416,500.53x = 574,341.13 × 356,270.55
  4. Step 4: Simplify right side
    416,500.53x = 204,620,830,272.72
  5. Step 5: Solve for x
    x = 204,620,830,272.72/416,500.53
  6. Step 6: Final answer
    x = 491,285.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.