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Finding the Fourth Proportional to 453,427.71, 625,717.33 and 249,478.77

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Solution

The fourth proportional to 453,427.71, 625,717.33 and 249,478.77 is: 344,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,427.71 : 625,717.33 = 249,478.77 : x
  2. Step 2: Convert to fraction form
    453,427.71/625,717.33 = 249,478.77/x
  3. Step 3: Cross multiply
    453,427.71x = 625,717.33 × 249,478.77
  4. Step 4: Simplify right side
    453,427.71x = 156,103,187,821.49
  5. Step 5: Solve for x
    x = 156,103,187,821.49/453,427.71
  6. Step 6: Final answer
    x = 344,273.60

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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.