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Finding the Fourth Proportional to 612,060.90, 844,640.82 and 336,425.10

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Solution

The fourth proportional to 612,060.90, 844,640.82 and 336,425.10 is: 464,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,060.90 : 844,640.82 = 336,425.10 : x
  2. Step 2: Convert to fraction form
    612,060.90/844,640.82 = 336,425.10/x
  3. Step 3: Cross multiply
    612,060.90x = 844,640.82 × 336,425.10
  4. Step 4: Simplify right side
    612,060.90x = 284,158,372,332.58
  5. Step 5: Solve for x
    x = 284,158,372,332.58/612,060.90
  6. Step 6: Final answer
    x = 464,264.87

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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.