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Finding the Fourth Proportional to 616,042.93, 850,142.21 and 344,122.29

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Solution

The fourth proportional to 616,042.93, 850,142.21 and 344,122.29 is: 474,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,042.93 : 850,142.21 = 344,122.29 : x
  2. Step 2: Convert to fraction form
    616,042.93/850,142.21 = 344,122.29/x
  3. Step 3: Cross multiply
    616,042.93x = 850,142.21 × 344,122.29
  4. Step 4: Simplify right side
    616,042.93x = 292,552,881,145.20
  5. Step 5: Solve for x
    x = 292,552,881,145.20/616,042.93
  6. Step 6: Final answer
    x = 474,890.41

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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.