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Finding the Fourth Proportional to 453,532.88, 625,665.96 and 292,439.66

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Solution

The fourth proportional to 453,532.88, 625,665.96 and 292,439.66 is: 403,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,532.88 : 625,665.96 = 292,439.66 : x
  2. Step 2: Convert to fraction form
    453,532.88/625,665.96 = 292,439.66/x
  3. Step 3: Cross multiply
    453,532.88x = 625,665.96 × 292,439.66
  4. Step 4: Simplify right side
    453,532.88x = 182,969,540,615.97
  5. Step 5: Solve for x
    x = 182,969,540,615.97/453,532.88
  6. Step 6: Final answer
    x = 403,431.70

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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.