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Finding the Fourth Proportional to 476,182.36, 714,273.90 and 143,758.36

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Solution

The fourth proportional to 476,182.36, 714,273.90 and 143,758.36 is: 215,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,182.36 : 714,273.90 = 143,758.36 : x
  2. Step 2: Convert to fraction form
    476,182.36/714,273.90 = 143,758.36/x
  3. Step 3: Cross multiply
    476,182.36x = 714,273.90 × 143,758.36
  4. Step 4: Simplify right side
    476,182.36x = 102,682,844,454.80
  5. Step 5: Solve for x
    x = 102,682,844,454.80/476,182.36
  6. Step 6: Final answer
    x = 215,637.65

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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.