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Finding the Fourth Proportional to 453,532.76, 625,665.79 and 292,439.55

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Solution

The fourth proportional to 453,532.76, 625,665.79 and 292,439.55 is: 403,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,532.76 : 625,665.79 = 292,439.55 : x
  2. Step 2: Convert to fraction form
    453,532.76/625,665.79 = 292,439.55/x
  3. Step 3: Cross multiply
    453,532.76x = 625,665.79 × 292,439.55
  4. Step 4: Simplify right side
    453,532.76x = 182,969,422,078.00
  5. Step 5: Solve for x
    x = 182,969,422,078.00/453,532.76
  6. Step 6: Final answer
    x = 403,431.55

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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.