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Finding the Fourth Proportional to 546,792.69, 754,572.87 and 305,060.88

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Solution

The fourth proportional to 546,792.69, 754,572.87 and 305,060.88 is: 420,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,792.69 : 754,572.87 = 305,060.88 : x
  2. Step 2: Convert to fraction form
    546,792.69/754,572.87 = 305,060.88/x
  3. Step 3: Cross multiply
    546,792.69x = 754,572.87 × 305,060.88
  4. Step 4: Simplify right side
    546,792.69x = 230,190,663,746.33
  5. Step 5: Solve for x
    x = 230,190,663,746.33/546,792.69
  6. Step 6: Final answer
    x = 420,983.43

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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.