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Finding the Fourth Proportional to 226,411.32, 339,532.20 and 66,454.32

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Solution

The fourth proportional to 226,411.32, 339,532.20 and 66,454.32 is: 99,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,411.32 : 339,532.20 = 66,454.32 : x
  2. Step 2: Convert to fraction form
    226,411.32/339,532.20 = 66,454.32/x
  3. Step 3: Cross multiply
    226,411.32x = 339,532.20 × 66,454.32
  4. Step 4: Simplify right side
    226,411.32x = 22,563,381,469.10
  5. Step 5: Solve for x
    x = 22,563,381,469.10/226,411.32
  6. Step 6: Final answer
    x = 99,656.60

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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.