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Finding the Fourth Proportional to 313,984.98, 433,310.64 and 179,874.90

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Solution

The fourth proportional to 313,984.98, 433,310.64 and 179,874.90 is: 248,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,984.98 : 433,310.64 = 179,874.90 : x
  2. Step 2: Convert to fraction form
    313,984.98/433,310.64 = 179,874.90/x
  3. Step 3: Cross multiply
    313,984.98x = 433,310.64 × 179,874.90
  4. Step 4: Simplify right side
    313,984.98x = 77,941,708,038.94
  5. Step 5: Solve for x
    x = 77,941,708,038.94/313,984.98
  6. Step 6: Final answer
    x = 248,233.87

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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.