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Finding the Fourth Proportional to 360,963.26, 498,123.26 and 199,814.90

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Solution

The fourth proportional to 360,963.26, 498,123.26 and 199,814.90 is: 275,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,963.26 : 498,123.26 = 199,814.90 : x
  2. Step 2: Convert to fraction form
    360,963.26/498,123.26 = 199,814.90/x
  3. Step 3: Cross multiply
    360,963.26x = 498,123.26 × 199,814.90
  4. Step 4: Simplify right side
    360,963.26x = 99,532,449,384.57
  5. Step 5: Solve for x
    x = 99,532,449,384.57/360,963.26
  6. Step 6: Final answer
    x = 275,741.22

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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.