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Finding the Fourth Proportional to 295,003.80, 442,502.82 and 84,642.84

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Solution

The fourth proportional to 295,003.80, 442,502.82 and 84,642.84 is: 126,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,003.80 : 442,502.82 = 84,642.84 : x
  2. Step 2: Convert to fraction form
    295,003.80/442,502.82 = 84,642.84/x
  3. Step 3: Cross multiply
    295,003.80x = 442,502.82 × 84,642.84
  4. Step 4: Simplify right side
    295,003.80x = 37,454,695,392.81
  5. Step 5: Solve for x
    x = 37,454,695,392.81/295,003.80
  6. Step 6: Final answer
    x = 126,963.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.