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Finding the Fourth Proportional to 453,856.20, 626,316.18 and 249,902.76

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Solution

The fourth proportional to 453,856.20, 626,316.18 and 249,902.76 is: 344,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,856.20 : 626,316.18 = 249,902.76 : x
  2. Step 2: Convert to fraction form
    453,856.20/626,316.18 = 249,902.76/x
  3. Step 3: Cross multiply
    453,856.20x = 626,316.18 × 249,902.76
  4. Step 4: Simplify right side
    453,856.20x = 156,518,142,014.66
  5. Step 5: Solve for x
    x = 156,518,142,014.66/453,856.20
  6. Step 6: Final answer
    x = 344,862.85

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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.