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Finding the Fourth Proportional to 373,905.20, 560,857.80 and 332,570.90

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Solution

The fourth proportional to 373,905.20, 560,857.80 and 332,570.90 is: 498,856.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,905.20 : 560,857.80 = 332,570.90 : x
  2. Step 2: Convert to fraction form
    373,905.20/560,857.80 = 332,570.90/x
  3. Step 3: Cross multiply
    373,905.20x = 560,857.80 × 332,570.90
  4. Step 4: Simplify right side
    373,905.20x = 186,524,983,318.02
  5. Step 5: Solve for x
    x = 186,524,983,318.02/373,905.20
  6. Step 6: Final answer
    x = 498,856.35

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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.