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Finding the Fourth Proportional to 309,791.04, 464,714.28 and 120,246.96

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Solution

The fourth proportional to 309,791.04, 464,714.28 and 120,246.96 is: 180,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,791.04 : 464,714.28 = 120,246.96 : x
  2. Step 2: Convert to fraction form
    309,791.04/464,714.28 = 120,246.96/x
  3. Step 3: Cross multiply
    309,791.04x = 464,714.28 × 120,246.96
  4. Step 4: Simplify right side
    309,791.04x = 55,880,479,438.59
  5. Step 5: Solve for x
    x = 55,880,479,438.59/309,791.04
  6. Step 6: Final answer
    x = 180,381.20

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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.