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Finding the Fourth Proportional to 766,807.92, 1,149,661.80 and 293,094

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Solution

The fourth proportional to 766,807.92, 1,149,661.80 and 293,094 is: 439,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,807.92 : 1,149,661.80 = 293,094 : x
  2. Step 2: Convert to fraction form
    766,807.92/1,149,661.80 = 293,094/x
  3. Step 3: Cross multiply
    766,807.92x = 1,149,661.80 × 293,094
  4. Step 4: Simplify right side
    766,807.92x = 336,958,975,609.20
  5. Step 5: Solve for x
    x = 336,958,975,609.20/766,807.92
  6. Step 6: Final answer
    x = 439,430.75

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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.