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Finding the Fourth Proportional to 499,089.60, 748,634.40 and 183,481.20

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Solution

The fourth proportional to 499,089.60, 748,634.40 and 183,481.20 is: 275,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,089.60 : 748,634.40 = 183,481.20 : x
  2. Step 2: Convert to fraction form
    499,089.60/748,634.40 = 183,481.20/x
  3. Step 3: Cross multiply
    499,089.60x = 748,634.40 × 183,481.20
  4. Step 4: Simplify right side
    499,089.60x = 137,360,338,073.28
  5. Step 5: Solve for x
    x = 137,360,338,073.28/499,089.60
  6. Step 6: Final answer
    x = 275,221.80

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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.