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Finding the Fourth Proportional to 453,200.71, 625,417.20 and 249,265.46

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Solution

The fourth proportional to 453,200.71, 625,417.20 and 249,265.46 is: 343,986.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,200.71 : 625,417.20 = 249,265.46 : x
  2. Step 2: Convert to fraction form
    453,200.71/625,417.20 = 249,265.46/x
  3. Step 3: Cross multiply
    453,200.71x = 625,417.20 × 249,265.46
  4. Step 4: Simplify right side
    453,200.71x = 155,894,906,049.91
  5. Step 5: Solve for x
    x = 155,894,906,049.91/453,200.71
  6. Step 6: Final answer
    x = 343,986.46

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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.