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Finding the Fourth Proportional to 250,778.36, 375,925.62 and 84,475.64

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Solution

The fourth proportional to 250,778.36, 375,925.62 and 84,475.64 is: 126,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,778.36 : 375,925.62 = 84,475.64 : x
  2. Step 2: Convert to fraction form
    250,778.36/375,925.62 = 84,475.64/x
  3. Step 3: Cross multiply
    250,778.36x = 375,925.62 × 84,475.64
  4. Step 4: Simplify right side
    250,778.36x = 31,756,557,341.90
  5. Step 5: Solve for x
    x = 31,756,557,341.90/250,778.36
  6. Step 6: Final answer
    x = 126,631.97

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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.