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Finding the Fourth Proportional to 616,178.54, 850,343.72 and 344,276.38

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Solution

The fourth proportional to 616,178.54, 850,343.72 and 344,276.38 is: 475,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,178.54 : 850,343.72 = 344,276.38 : x
  2. Step 2: Convert to fraction form
    616,178.54/850,343.72 = 344,276.38/x
  3. Step 3: Cross multiply
    616,178.54x = 850,343.72 × 344,276.38
  4. Step 4: Simplify right side
    616,178.54x = 292,753,257,677.33
  5. Step 5: Solve for x
    x = 292,753,257,677.33/616,178.54
  6. Step 6: Final answer
    x = 475,111.09

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1.5x scale

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.