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Finding the Fourth Proportional to 353,781.92, 488,421.52 and 233,273.76

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Solution

The fourth proportional to 353,781.92, 488,421.52 and 233,273.76 is: 322,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,781.92 : 488,421.52 = 233,273.76 : x
  2. Step 2: Convert to fraction form
    353,781.92/488,421.52 = 233,273.76/x
  3. Step 3: Cross multiply
    353,781.92x = 488,421.52 × 233,273.76
  4. Step 4: Simplify right side
    353,781.92x = 113,935,924,435.32
  5. Step 5: Solve for x
    x = 113,935,924,435.32/353,781.92
  6. Step 6: Final answer
    x = 322,051.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.