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Finding the Fourth Proportional to 468,644.04, 702,985.50 and 136,220.04

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Solution

The fourth proportional to 468,644.04, 702,985.50 and 136,220.04 is: 204,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,644.04 : 702,985.50 = 136,220.04 : x
  2. Step 2: Convert to fraction form
    468,644.04/702,985.50 = 136,220.04/x
  3. Step 3: Cross multiply
    468,644.04x = 702,985.50 × 136,220.04
  4. Step 4: Simplify right side
    468,644.04x = 95,760,712,929.42
  5. Step 5: Solve for x
    x = 95,760,712,929.42/468,644.04
  6. Step 6: Final answer
    x = 204,335.71

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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.