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Finding the Fourth Proportional to 352,882.60, 528,449.10 and 226,328.20

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Solution

The fourth proportional to 352,882.60, 528,449.10 and 226,328.20 is: 338,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,882.60 : 528,449.10 = 226,328.20 : x
  2. Step 2: Convert to fraction form
    352,882.60/528,449.10 = 226,328.20/x
  3. Step 3: Cross multiply
    352,882.60x = 528,449.10 × 226,328.20
  4. Step 4: Simplify right side
    352,882.60x = 119,602,933,594.62
  5. Step 5: Solve for x
    x = 119,602,933,594.62/352,882.60
  6. Step 6: Final answer
    x = 338,931.23

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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.