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Finding the Fourth Proportional to 352,005.60, 527,230.80 and 185,599.20

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Solution

The fourth proportional to 352,005.60, 527,230.80 and 185,599.20 is: 277,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,005.60 : 527,230.80 = 185,599.20 : x
  2. Step 2: Convert to fraction form
    352,005.60/527,230.80 = 185,599.20/x
  3. Step 3: Cross multiply
    352,005.60x = 527,230.80 × 185,599.20
  4. Step 4: Simplify right side
    352,005.60x = 97,853,614,695.36
  5. Step 5: Solve for x
    x = 97,853,614,695.36/352,005.60
  6. Step 6: Final answer
    x = 277,988.80

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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.