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Finding the Fourth Proportional to 532,528.69, 798,905.26 and 172,671.49

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Solution

The fourth proportional to 532,528.69, 798,905.26 and 172,671.49 is: 259,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,528.69 : 798,905.26 = 172,671.49 : x
  2. Step 2: Convert to fraction form
    532,528.69/798,905.26 = 172,671.49/x
  3. Step 3: Cross multiply
    532,528.69x = 798,905.26 × 172,671.49
  4. Step 4: Simplify right side
    532,528.69x = 137,948,161,613.04
  5. Step 5: Solve for x
    x = 137,948,161,613.04/532,528.69
  6. Step 6: Final answer
    x = 259,043.62

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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.