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Finding the Fourth Proportional to 616,159.90, 850,216.53 and 344,194.17

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Solution

The fourth proportional to 616,159.90, 850,216.53 and 344,194.17 is: 474,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,159.90 : 850,216.53 = 344,194.17 : x
  2. Step 2: Convert to fraction form
    616,159.90/850,216.53 = 344,194.17/x
  3. Step 3: Cross multiply
    616,159.90x = 850,216.53 × 344,194.17
  4. Step 4: Simplify right side
    616,159.90x = 292,639,572,863.63
  5. Step 5: Solve for x
    x = 292,639,572,863.63/616,159.90
  6. Step 6: Final answer
    x = 474,940.96

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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.