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Finding the Fourth Proportional to 372,482.97, 558,631.89 and 106,245.78

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Solution

The fourth proportional to 372,482.97, 558,631.89 and 106,245.78 is: 159,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,482.97 : 558,631.89 = 106,245.78 : x
  2. Step 2: Convert to fraction form
    372,482.97/558,631.89 = 106,245.78/x
  3. Step 3: Cross multiply
    372,482.97x = 558,631.89 × 106,245.78
  4. Step 4: Simplify right side
    372,482.97x = 59,352,280,885.92
  5. Step 5: Solve for x
    x = 59,352,280,885.92/372,482.97
  6. Step 6: Final answer
    x = 159,342.27

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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.