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Finding the Fourth Proportional to 240,686.20, 361,806.90 and 222,023.80

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Solution

The fourth proportional to 240,686.20, 361,806.90 and 222,023.80 is: 333,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,686.20 : 361,806.90 = 222,023.80 : x
  2. Step 2: Convert to fraction form
    240,686.20/361,806.90 = 222,023.80/x
  3. Step 3: Cross multiply
    240,686.20x = 361,806.90 × 222,023.80
  4. Step 4: Simplify right side
    240,686.20x = 80,329,742,804.22
  5. Step 5: Solve for x
    x = 80,329,742,804.22/240,686.20
  6. Step 6: Final answer
    x = 333,753.01

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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.