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Finding the Fourth Proportional to 331,364.60, 497,046.90 and 173,641.40

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Solution

The fourth proportional to 331,364.60, 497,046.90 and 173,641.40 is: 260,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,364.60 : 497,046.90 = 173,641.40 : x
  2. Step 2: Convert to fraction form
    331,364.60/497,046.90 = 173,641.40/x
  3. Step 3: Cross multiply
    331,364.60x = 497,046.90 × 173,641.40
  4. Step 4: Simplify right side
    331,364.60x = 86,307,919,581.66
  5. Step 5: Solve for x
    x = 86,307,919,581.66/331,364.60
  6. Step 6: Final answer
    x = 260,462.10

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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.