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Finding the Fourth Proportional to 375,015.38, 517,517.26 and 202,929.57

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Solution

The fourth proportional to 375,015.38, 517,517.26 and 202,929.57 is: 280,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,015.38 : 517,517.26 = 202,929.57 : x
  2. Step 2: Convert to fraction form
    375,015.38/517,517.26 = 202,929.57/x
  3. Step 3: Cross multiply
    375,015.38x = 517,517.26 × 202,929.57
  4. Step 4: Simplify right side
    375,015.38x = 105,019,554,532.05
  5. Step 5: Solve for x
    x = 105,019,554,532.05/375,015.38
  6. Step 6: Final answer
    x = 280,040.66

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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.