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Finding the Fourth Proportional to 353,248.97, 529,956.15 and 116,591.42

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Solution

The fourth proportional to 353,248.97, 529,956.15 and 116,591.42 is: 174,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,248.97 : 529,956.15 = 116,591.42 : x
  2. Step 2: Convert to fraction form
    353,248.97/529,956.15 = 116,591.42/x
  3. Step 3: Cross multiply
    353,248.97x = 529,956.15 × 116,591.42
  4. Step 4: Simplify right side
    353,248.97x = 61,788,340,066.23
  5. Step 5: Solve for x
    x = 61,788,340,066.23/353,248.97
  6. Step 6: Final answer
    x = 174,914.42

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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.