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Finding the Fourth Proportional to 348,053.20, 522,079.80 and 181,819.60

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Solution

The fourth proportional to 348,053.20, 522,079.80 and 181,819.60 is: 272,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,053.20 : 522,079.80 = 181,819.60 : x
  2. Step 2: Convert to fraction form
    348,053.20/522,079.80 = 181,819.60/x
  3. Step 3: Cross multiply
    348,053.20x = 522,079.80 × 181,819.60
  4. Step 4: Simplify right side
    348,053.20x = 94,924,340,404.08
  5. Step 5: Solve for x
    x = 94,924,340,404.08/348,053.20
  6. Step 6: Final answer
    x = 272,729.40

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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.