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Finding the Fourth Proportional to 502,825.50, 754,090.62 and 147,755.10

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Solution

The fourth proportional to 502,825.50, 754,090.62 and 147,755.10 is: 221,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,825.50 : 754,090.62 = 147,755.10 : x
  2. Step 2: Convert to fraction form
    502,825.50/754,090.62 = 147,755.10/x
  3. Step 3: Cross multiply
    502,825.50x = 754,090.62 × 147,755.10
  4. Step 4: Simplify right side
    502,825.50x = 111,420,734,967.16
  5. Step 5: Solve for x
    x = 111,420,734,967.16/502,825.50
  6. Step 6: Final answer
    x = 221,589.27

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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.