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Finding the Fourth Proportional to 361,589.26, 498,959.62 and 200,430.59

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Solution

The fourth proportional to 361,589.26, 498,959.62 and 200,430.59 is: 276,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,589.26 : 498,959.62 = 200,430.59 : x
  2. Step 2: Convert to fraction form
    361,589.26/498,959.62 = 200,430.59/x
  3. Step 3: Cross multiply
    361,589.26x = 498,959.62 × 200,430.59
  4. Step 4: Simplify right side
    361,589.26x = 100,006,771,769.10
  5. Step 5: Solve for x
    x = 100,006,771,769.10/361,589.26
  6. Step 6: Final answer
    x = 276,575.62

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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.