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Finding the Fourth Proportional to 615,996.12, 850,065.62 and 344,067.95

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Solution

The fourth proportional to 615,996.12, 850,065.62 and 344,067.95 is: 474,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,996.12 : 850,065.62 = 344,067.95 : x
  2. Step 2: Convert to fraction form
    615,996.12/850,065.62 = 344,067.95/x
  3. Step 3: Cross multiply
    615,996.12x = 850,065.62 × 344,067.95
  4. Step 4: Simplify right side
    615,996.12x = 292,480,335,238.88
  5. Step 5: Solve for x
    x = 292,480,335,238.88/615,996.12
  6. Step 6: Final answer
    x = 474,808.73

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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.