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Finding the Fourth Proportional to 616,301.55, 850,528.99 and 344,376.04

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Solution

The fourth proportional to 616,301.55, 850,528.99 and 344,376.04 is: 475,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,301.55 : 850,528.99 = 344,376.04 : x
  2. Step 2: Convert to fraction form
    616,301.55/850,528.99 = 344,376.04/x
  3. Step 3: Cross multiply
    616,301.55x = 850,528.99 × 344,376.04
  4. Step 4: Simplify right side
    616,301.55x = 292,901,805,253.15
  5. Step 5: Solve for x
    x = 292,901,805,253.15/616,301.55
  6. Step 6: Final answer
    x = 475,257.29

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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.