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Finding the Fourth Proportional to 240,512.85, 331,885.13 and 162,830.48

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Solution

The fourth proportional to 240,512.85, 331,885.13 and 162,830.48 is: 224,690.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,512.85 : 331,885.13 = 162,830.48 : x
  2. Step 2: Convert to fraction form
    240,512.85/331,885.13 = 162,830.48/x
  3. Step 3: Cross multiply
    240,512.85x = 331,885.13 × 162,830.48
  4. Step 4: Simplify right side
    240,512.85x = 54,041,013,159.80
  5. Step 5: Solve for x
    x = 54,041,013,159.80/240,512.85
  6. Step 6: Final answer
    x = 224,690.75

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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.