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Finding the Fourth Proportional to 453,680.18, 626,073.78 and 249,726.76

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Solution

The fourth proportional to 453,680.18, 626,073.78 and 249,726.76 is: 344,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,680.18 : 626,073.78 = 249,726.76 : x
  2. Step 2: Convert to fraction form
    453,680.18/626,073.78 = 249,726.76/x
  3. Step 3: Cross multiply
    453,680.18x = 626,073.78 × 249,726.76
  4. Step 4: Simplify right side
    453,680.18x = 156,347,376,600.35
  5. Step 5: Solve for x
    x = 156,347,376,600.35/453,680.18
  6. Step 6: Final answer
    x = 344,620.25

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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.