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Finding the Fourth Proportional to 616,672.98, 851,020.59 and 344,760.54

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Solution

The fourth proportional to 616,672.98, 851,020.59 and 344,760.54 is: 475,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,672.98 : 851,020.59 = 344,760.54 : x
  2. Step 2: Convert to fraction form
    616,672.98/851,020.59 = 344,760.54/x
  3. Step 3: Cross multiply
    616,672.98x = 851,020.59 × 344,760.54
  4. Step 4: Simplify right side
    616,672.98x = 293,398,316,261.04
  5. Step 5: Solve for x
    x = 293,398,316,261.04/616,672.98
  6. Step 6: Final answer
    x = 475,776.18

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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.