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Finding the Fourth Proportional to 616,186.40, 850,327.60 and 344,258.04

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Solution

The fourth proportional to 616,186.40, 850,327.60 and 344,258.04 is: 475,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,186.40 : 850,327.60 = 344,258.04 : x
  2. Step 2: Convert to fraction form
    616,186.40/850,327.60 = 344,258.04/x
  3. Step 3: Cross multiply
    616,186.40x = 850,327.60 × 344,258.04
  4. Step 4: Simplify right side
    616,186.40x = 292,732,112,933.90
  5. Step 5: Solve for x
    x = 292,732,112,933.90/616,186.40
  6. Step 6: Final answer
    x = 475,070.71

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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.