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Finding the Fourth Proportional to 616,444.91, 850,691.29 and 344,512.64

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Solution

The fourth proportional to 616,444.91, 850,691.29 and 344,512.64 is: 475,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,444.91 : 850,691.29 = 344,512.64 : x
  2. Step 2: Convert to fraction form
    616,444.91/850,691.29 = 344,512.64/x
  3. Step 3: Cross multiply
    616,444.91x = 850,691.29 × 344,512.64
  4. Step 4: Simplify right side
    616,444.91x = 293,073,903,085.37
  5. Step 5: Solve for x
    x = 293,073,903,085.37/616,444.91
  6. Step 6: Final answer
    x = 475,425.95

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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.