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Finding the Fourth Proportional to 311,732.88, 467,654.40 and 101,333.76

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Solution

The fourth proportional to 311,732.88, 467,654.40 and 101,333.76 is: 152,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,732.88 : 467,654.40 = 101,333.76 : x
  2. Step 2: Convert to fraction form
    311,732.88/467,654.40 = 101,333.76/x
  3. Step 3: Cross multiply
    311,732.88x = 467,654.40 × 101,333.76
  4. Step 4: Simplify right side
    311,732.88x = 47,389,178,732.54
  5. Step 5: Solve for x
    x = 47,389,178,732.54/311,732.88
  6. Step 6: Final answer
    x = 152,018.54

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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.