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Finding the Fourth Proportional to 502,659.14, 754,043.67 and 218,154.11

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Solution

The fourth proportional to 502,659.14, 754,043.67 and 218,154.11 is: 327,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,659.14 : 754,043.67 = 218,154.11 : x
  2. Step 2: Convert to fraction form
    502,659.14/754,043.67 = 218,154.11/x
  3. Step 3: Cross multiply
    502,659.14x = 754,043.67 × 218,154.11
  4. Step 4: Simplify right side
    502,659.14x = 164,497,721,959.77
  5. Step 5: Solve for x
    x = 164,497,721,959.77/502,659.14
  6. Step 6: Final answer
    x = 327,255.01

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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.