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Finding the Fourth Proportional to 493,310.74, 739,971.69 and 173,472.11

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Solution

The fourth proportional to 493,310.74, 739,971.69 and 173,472.11 is: 260,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,310.74 : 739,971.69 = 173,472.11 : x
  2. Step 2: Convert to fraction form
    493,310.74/739,971.69 = 173,472.11/x
  3. Step 3: Cross multiply
    493,310.74x = 739,971.69 × 173,472.11
  4. Step 4: Simplify right side
    493,310.74x = 128,364,450,404.57
  5. Step 5: Solve for x
    x = 128,364,450,404.57/493,310.74
  6. Step 6: Final answer
    x = 260,210.13

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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.