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Finding the Fourth Proportional to 616,359.16, 850,573.87 and 344,427.31

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Solution

The fourth proportional to 616,359.16, 850,573.87 and 344,427.31 is: 475,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,359.16 : 850,573.87 = 344,427.31 : x
  2. Step 2: Convert to fraction form
    616,359.16/850,573.87 = 344,427.31/x
  3. Step 3: Cross multiply
    616,359.16x = 850,573.87 × 344,427.31
  4. Step 4: Simplify right side
    616,359.16x = 292,960,870,000.39
  5. Step 5: Solve for x
    x = 292,960,870,000.39/616,359.16
  6. Step 6: Final answer
    x = 475,308.70

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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.