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Finding the Fourth Proportional to 433,812.20, 650,718.30 and 223,860.20

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Solution

The fourth proportional to 433,812.20, 650,718.30 and 223,860.20 is: 335,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,812.20 : 650,718.30 = 223,860.20 : x
  2. Step 2: Convert to fraction form
    433,812.20/650,718.30 = 223,860.20/x
  3. Step 3: Cross multiply
    433,812.20x = 650,718.30 × 223,860.20
  4. Step 4: Simplify right side
    433,812.20x = 145,669,928,781.66
  5. Step 5: Solve for x
    x = 145,669,928,781.66/433,812.20
  6. Step 6: Final answer
    x = 335,790.30

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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.