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Finding the Fourth Proportional to 538,225.20, 807,447.15 and 183,275.10

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Solution

The fourth proportional to 538,225.20, 807,447.15 and 183,275.10 is: 274,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,225.20 : 807,447.15 = 183,275.10 : x
  2. Step 2: Convert to fraction form
    538,225.20/807,447.15 = 183,275.10/x
  3. Step 3: Cross multiply
    538,225.20x = 807,447.15 × 183,275.10
  4. Step 4: Simplify right side
    538,225.20x = 147,984,957,160.97
  5. Step 5: Solve for x
    x = 147,984,957,160.97/538,225.20
  6. Step 6: Final answer
    x = 274,949.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.