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Finding the Fourth Proportional to 616,357.64, 850,557.26 and 344,427.78

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Solution

The fourth proportional to 616,357.64, 850,557.26 and 344,427.78 is: 475,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,357.64 : 850,557.26 = 344,427.78 : x
  2. Step 2: Convert to fraction form
    616,357.64/850,557.26 = 344,427.78/x
  3. Step 3: Cross multiply
    616,357.64x = 850,557.26 × 344,427.78
  4. Step 4: Simplify right side
    616,357.64x = 292,955,548,824.68
  5. Step 5: Solve for x
    x = 292,955,548,824.68/616,357.64
  6. Step 6: Final answer
    x = 475,301.24

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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.