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Finding the Fourth Proportional to 233,677.20, 350,515.80 and 231,603.60

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Solution

The fourth proportional to 233,677.20, 350,515.80 and 231,603.60 is: 347,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,677.20 : 350,515.80 = 231,603.60 : x
  2. Step 2: Convert to fraction form
    233,677.20/350,515.80 = 231,603.60/x
  3. Step 3: Cross multiply
    233,677.20x = 350,515.80 × 231,603.60
  4. Step 4: Simplify right side
    233,677.20x = 81,180,721,136.88
  5. Step 5: Solve for x
    x = 81,180,721,136.88/233,677.20
  6. Step 6: Final answer
    x = 347,405.40

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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.