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Finding the Fourth Proportional to 262,566.20, 394,140.90 and 144,468.20

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Solution

The fourth proportional to 262,566.20, 394,140.90 and 144,468.20 is: 216,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,566.20 : 394,140.90 = 144,468.20 : x
  2. Step 2: Convert to fraction form
    262,566.20/394,140.90 = 144,468.20/x
  3. Step 3: Cross multiply
    262,566.20x = 394,140.90 × 144,468.20
  4. Step 4: Simplify right side
    262,566.20x = 56,940,826,369.38
  5. Step 5: Solve for x
    x = 56,940,826,369.38/262,566.20
  6. Step 6: Final answer
    x = 216,862.74

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1.5x scale

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.