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Finding the Fourth Proportional to 352,881.60, 528,447.60 and 226,327.20

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Solution

The fourth proportional to 352,881.60, 528,447.60 and 226,327.20 is: 338,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,881.60 : 528,447.60 = 226,327.20 : x
  2. Step 2: Convert to fraction form
    352,881.60/528,447.60 = 226,327.20/x
  3. Step 3: Cross multiply
    352,881.60x = 528,447.60 × 226,327.20
  4. Step 4: Simplify right side
    352,881.60x = 119,602,065,654.72
  5. Step 5: Solve for x
    x = 119,602,065,654.72/352,881.60
  6. Step 6: Final answer
    x = 338,929.73

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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.