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Finding the Fourth Proportional to 311,570.96, 467,356.46 and 74,913.62

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Solution

The fourth proportional to 311,570.96, 467,356.46 and 74,913.62 is: 112,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,570.96 : 467,356.46 = 74,913.62 : x
  2. Step 2: Convert to fraction form
    311,570.96/467,356.46 = 74,913.62/x
  3. Step 3: Cross multiply
    311,570.96x = 467,356.46 × 74,913.62
  4. Step 4: Simplify right side
    311,570.96x = 35,011,361,537.63
  5. Step 5: Solve for x
    x = 35,011,361,537.63/311,570.96
  6. Step 6: Final answer
    x = 112,370.43

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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.