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Finding the Fourth Proportional to 591,396.70, 887,168.90 and 231,521.08

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Solution

The fourth proportional to 591,396.70, 887,168.90 and 231,521.08 is: 347,310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,396.70 : 887,168.90 = 231,521.08 : x
  2. Step 2: Convert to fraction form
    591,396.70/887,168.90 = 231,521.08/x
  3. Step 3: Cross multiply
    591,396.70x = 887,168.90 × 231,521.08
  4. Step 4: Simplify right side
    591,396.70x = 205,398,301,870.41
  5. Step 5: Solve for x
    x = 205,398,301,870.41/591,396.70
  6. Step 6: Final answer
    x = 347,310.53

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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.