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Finding the Fourth Proportional to 616,205.35, 850,357.61 and 344,320.10

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Solution

The fourth proportional to 616,205.35, 850,357.61 and 344,320.10 is: 475,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,205.35 : 850,357.61 = 344,320.10 : x
  2. Step 2: Convert to fraction form
    616,205.35/850,357.61 = 344,320.10/x
  3. Step 3: Cross multiply
    616,205.35x = 850,357.61 × 344,320.10
  4. Step 4: Simplify right side
    616,205.35x = 292,795,213,059.17
  5. Step 5: Solve for x
    x = 292,795,213,059.17/616,205.35
  6. Step 6: Final answer
    x = 475,158.51

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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.