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Finding the Fourth Proportional to 546,792.70, 754,572.86 and 305,060.88

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Solution

The fourth proportional to 546,792.70, 754,572.86 and 305,060.88 is: 420,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,792.70 : 754,572.86 = 305,060.88 : x
  2. Step 2: Convert to fraction form
    546,792.70/754,572.86 = 305,060.88/x
  3. Step 3: Cross multiply
    546,792.70x = 754,572.86 × 305,060.88
  4. Step 4: Simplify right side
    546,792.70x = 230,190,660,695.72
  5. Step 5: Solve for x
    x = 230,190,660,695.72/546,792.70
  6. Step 6: Final answer
    x = 420,983.42

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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.