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Finding the Fourth Proportional to 546,717.17, 754,470.02 and 304,999.74

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Solution

The fourth proportional to 546,717.17, 754,470.02 and 304,999.74 is: 420,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,717.17 : 754,470.02 = 304,999.74 : x
  2. Step 2: Convert to fraction form
    546,717.17/754,470.02 = 304,999.74/x
  3. Step 3: Cross multiply
    546,717.17x = 754,470.02 × 304,999.74
  4. Step 4: Simplify right side
    546,717.17x = 230,113,160,474.55
  5. Step 5: Solve for x
    x = 230,113,160,474.55/546,717.17
  6. Step 6: Final answer
    x = 420,899.82

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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.