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Finding the Fourth Proportional to 546,760.97, 754,552.01 and 305,064.66

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Solution

The fourth proportional to 546,760.97, 754,552.01 and 305,064.66 is: 421,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,760.97 : 754,552.01 = 305,064.66 : x
  2. Step 2: Convert to fraction form
    546,760.97/754,552.01 = 305,064.66/x
  3. Step 3: Cross multiply
    546,760.97x = 754,552.01 × 305,064.66
  4. Step 4: Simplify right side
    546,760.97x = 230,187,154,259.21
  5. Step 5: Solve for x
    x = 230,187,154,259.21/546,760.97
  6. Step 6: Final answer
    x = 421,001.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.