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Finding the Fourth Proportional to 353,780.92, 488,420.14 and 233,272.76

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Solution

The fourth proportional to 353,780.92, 488,420.14 and 233,272.76 is: 322,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,780.92 : 488,420.14 = 233,272.76 : x
  2. Step 2: Convert to fraction form
    353,780.92/488,420.14 = 233,272.76/x
  3. Step 3: Cross multiply
    353,780.92x = 488,420.14 × 233,272.76
  4. Step 4: Simplify right side
    353,780.92x = 113,935,114,097.39
  5. Step 5: Solve for x
    x = 113,935,114,097.39/353,780.92
  6. Step 6: Final answer
    x = 322,049.91

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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.