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Finding the Fourth Proportional to 502,664.76, 754,052.10 and 218,159.76

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Solution

The fourth proportional to 502,664.76, 754,052.10 and 218,159.76 is: 327,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,664.76 : 754,052.10 = 218,159.76 : x
  2. Step 2: Convert to fraction form
    502,664.76/754,052.10 = 218,159.76/x
  3. Step 3: Cross multiply
    502,664.76x = 754,052.10 × 218,159.76
  4. Step 4: Simplify right side
    502,664.76x = 164,503,825,163.50
  5. Step 5: Solve for x
    x = 164,503,825,163.50/502,664.76
  6. Step 6: Final answer
    x = 327,263.49

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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.