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Finding the Fourth Proportional to 254,226.60, 381,339.90 and 104,417.10

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Solution

The fourth proportional to 254,226.60, 381,339.90 and 104,417.10 is: 156,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,226.60 : 381,339.90 = 104,417.10 : x
  2. Step 2: Convert to fraction form
    254,226.60/381,339.90 = 104,417.10/x
  3. Step 3: Cross multiply
    254,226.60x = 381,339.90 × 104,417.10
  4. Step 4: Simplify right side
    254,226.60x = 39,818,406,472.29
  5. Step 5: Solve for x
    x = 39,818,406,472.29/254,226.60
  6. Step 6: Final answer
    x = 156,625.65

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Similar ratio
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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.