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Finding the Fourth Proportional to 502,816.45, 754,024.20 and 165,763.30

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Solution

The fourth proportional to 502,816.45, 754,024.20 and 165,763.30 is: 248,578.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,816.45 : 754,024.20 = 165,763.30 : x
  2. Step 2: Convert to fraction form
    502,816.45/754,024.20 = 165,763.30/x
  3. Step 3: Cross multiply
    502,816.45x = 754,024.20 × 165,763.30
  4. Step 4: Simplify right side
    502,816.45x = 124,989,539,671.86
  5. Step 5: Solve for x
    x = 124,989,539,671.86/502,816.45
  6. Step 6: Final answer
    x = 248,578.86

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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.