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Finding the Fourth Proportional to 502,820.43, 754,230.72 and 147,837.53

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Solution

The fourth proportional to 502,820.43, 754,230.72 and 147,837.53 is: 221,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,820.43 : 754,230.72 = 147,837.53 : x
  2. Step 2: Convert to fraction form
    502,820.43/754,230.72 = 147,837.53/x
  3. Step 3: Cross multiply
    502,820.43x = 754,230.72 × 147,837.53
  4. Step 4: Simplify right side
    502,820.43x = 111,503,606,694.92
  5. Step 5: Solve for x
    x = 111,503,606,694.92/502,820.43
  6. Step 6: Final answer
    x = 221,756.32

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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.