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Finding the Fourth Proportional to 362,689.78, 500,516.42 and 199,364.11

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Solution

The fourth proportional to 362,689.78, 500,516.42 and 199,364.11 is: 275,124.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,689.78 : 500,516.42 = 199,364.11 : x
  2. Step 2: Convert to fraction form
    362,689.78/500,516.42 = 199,364.11/x
  3. Step 3: Cross multiply
    362,689.78x = 500,516.42 × 199,364.11
  4. Step 4: Simplify right side
    362,689.78x = 99,785,010,613.69
  5. Step 5: Solve for x
    x = 99,785,010,613.69/362,689.78
  6. Step 6: Final answer
    x = 275,124.96

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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.