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Finding the Fourth Proportional to 502,329.60, 753,025.92 and 169,672.96

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Solution

The fourth proportional to 502,329.60, 753,025.92 and 169,672.96 is: 254,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,329.60 : 753,025.92 = 169,672.96 : x
  2. Step 2: Convert to fraction form
    502,329.60/753,025.92 = 169,672.96/x
  3. Step 3: Cross multiply
    502,329.60x = 753,025.92 × 169,672.96
  4. Step 4: Simplify right side
    502,329.60x = 127,768,136,803.12
  5. Step 5: Solve for x
    x = 127,768,136,803.12/502,329.60
  6. Step 6: Final answer
    x = 254,351.20

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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.