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Finding the Fourth Proportional to 615,995.19, 850,064.25 and 344,067.06

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Solution

The fourth proportional to 615,995.19, 850,064.25 and 344,067.06 is: 474,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,995.19 : 850,064.25 = 344,067.06 : x
  2. Step 2: Convert to fraction form
    615,995.19/850,064.25 = 344,067.06/x
  3. Step 3: Cross multiply
    615,995.19x = 850,064.25 × 344,067.06
  4. Step 4: Simplify right side
    615,995.19x = 292,479,107,308.61
  5. Step 5: Solve for x
    x = 292,479,107,308.61/615,995.19
  6. Step 6: Final answer
    x = 474,807.45

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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.