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Finding the Fourth Proportional to 500,761.38, 750,617.19 and 185,016.90

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Solution

The fourth proportional to 500,761.38, 750,617.19 and 185,016.90 is: 277,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,761.38 : 750,617.19 = 185,016.90 : x
  2. Step 2: Convert to fraction form
    500,761.38/750,617.19 = 185,016.90/x
  3. Step 3: Cross multiply
    500,761.38x = 750,617.19 × 185,016.90
  4. Step 4: Simplify right side
    500,761.38x = 138,876,865,580.51
  5. Step 5: Solve for x
    x = 138,876,865,580.51/500,761.38
  6. Step 6: Final answer
    x = 277,331.42

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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.