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Finding the Fourth Proportional to 453,473.56, 625,766.22 and 249,517

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Solution

The fourth proportional to 453,473.56, 625,766.22 and 249,517 is: 344,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,473.56 : 625,766.22 = 249,517 : x
  2. Step 2: Convert to fraction form
    453,473.56/625,766.22 = 249,517/x
  3. Step 3: Cross multiply
    453,473.56x = 625,766.22 × 249,517
  4. Step 4: Simplify right side
    453,473.56x = 156,139,309,915.74
  5. Step 5: Solve for x
    x = 156,139,309,915.74/453,473.56
  6. Step 6: Final answer
    x = 344,318.44

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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.