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Finding the Fourth Proportional to 251,333.80, 377,000.70 and 144,608.20

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Solution

The fourth proportional to 251,333.80, 377,000.70 and 144,608.20 is: 216,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,333.80 : 377,000.70 = 144,608.20 : x
  2. Step 2: Convert to fraction form
    251,333.80/377,000.70 = 144,608.20/x
  3. Step 3: Cross multiply
    251,333.80x = 377,000.70 × 144,608.20
  4. Step 4: Simplify right side
    251,333.80x = 54,517,392,625.74
  5. Step 5: Solve for x
    x = 54,517,392,625.74/251,333.80
  6. Step 6: Final answer
    x = 216,912.30

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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.