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Finding the Fourth Proportional to 616,032.12, 850,040.29 and 344,065.31

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Solution

The fourth proportional to 616,032.12, 850,040.29 and 344,065.31 is: 474,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,032.12 : 850,040.29 = 344,065.31 : x
  2. Step 2: Convert to fraction form
    616,032.12/850,040.29 = 344,065.31/x
  3. Step 3: Cross multiply
    616,032.12x = 850,040.29 × 344,065.31
  4. Step 4: Simplify right side
    616,032.12x = 292,469,375,891.34
  5. Step 5: Solve for x
    x = 292,469,375,891.34/616,032.12
  6. Step 6: Final answer
    x = 474,763.19

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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.