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Finding the Fourth Proportional to 288,757.53, 433,210.11 and 111,216.87

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Solution

The fourth proportional to 288,757.53, 433,210.11 and 111,216.87 is: 166,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,757.53 : 433,210.11 = 111,216.87 : x
  2. Step 2: Convert to fraction form
    288,757.53/433,210.11 = 111,216.87/x
  3. Step 3: Cross multiply
    288,757.53x = 433,210.11 × 111,216.87
  4. Step 4: Simplify right side
    288,757.53x = 48,180,272,486.56
  5. Step 5: Solve for x
    x = 48,180,272,486.56/288,757.53
  6. Step 6: Final answer
    x = 166,853.74

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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.