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Finding the Fourth Proportional to 332,310.10, 498,465.15 and 172,877.80

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Solution

The fourth proportional to 332,310.10, 498,465.15 and 172,877.80 is: 259,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,310.10 : 498,465.15 = 172,877.80 : x
  2. Step 2: Convert to fraction form
    332,310.10/498,465.15 = 172,877.80/x
  3. Step 3: Cross multiply
    332,310.10x = 498,465.15 × 172,877.80
  4. Step 4: Simplify right side
    332,310.10x = 86,173,558,508.67
  5. Step 5: Solve for x
    x = 86,173,558,508.67/332,310.10
  6. Step 6: Final answer
    x = 259,316.70

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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.