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Finding the Fourth Proportional to 330,854.10, 456,432.22 and 203,454.42

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Solution

The fourth proportional to 330,854.10, 456,432.22 and 203,454.42 is: 280,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,854.10 : 456,432.22 = 203,454.42 : x
  2. Step 2: Convert to fraction form
    330,854.10/456,432.22 = 203,454.42/x
  3. Step 3: Cross multiply
    330,854.10x = 456,432.22 × 203,454.42
  4. Step 4: Simplify right side
    330,854.10x = 92,863,152,589.41
  5. Step 5: Solve for x
    x = 92,863,152,589.41/330,854.10
  6. Step 6: Final answer
    x = 280,677.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.