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Finding the Fourth Proportional to 615,995.54, 850,064.86 and 344,067.27

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Solution

The fourth proportional to 615,995.54, 850,064.86 and 344,067.27 is: 474,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,995.54 : 850,064.86 = 344,067.27 : x
  2. Step 2: Convert to fraction form
    615,995.54/850,064.86 = 344,067.27/x
  3. Step 3: Cross multiply
    615,995.54x = 850,064.86 × 344,067.27
  4. Step 4: Simplify right side
    615,995.54x = 292,479,495,703.13
  5. Step 5: Solve for x
    x = 292,479,495,703.13/615,995.54
  6. Step 6: Final answer
    x = 474,807.81

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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.