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Finding the Fourth Proportional to 439,667.10, 659,480.13 and 183,393.90

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Solution

The fourth proportional to 439,667.10, 659,480.13 and 183,393.90 is: 275,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,667.10 : 659,480.13 = 183,393.90 : x
  2. Step 2: Convert to fraction form
    439,667.10/659,480.13 = 183,393.90/x
  3. Step 3: Cross multiply
    439,667.10x = 659,480.13 × 183,393.90
  4. Step 4: Simplify right side
    439,667.10x = 120,944,633,013.21
  5. Step 5: Solve for x
    x = 120,944,633,013.21/439,667.10
  6. Step 6: Final answer
    x = 275,082.29

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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.