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Finding the Fourth Proportional to 266,437.20, 399,655.80 and 232,222.80

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Solution

The fourth proportional to 266,437.20, 399,655.80 and 232,222.80 is: 348,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,437.20 : 399,655.80 = 232,222.80 : x
  2. Step 2: Convert to fraction form
    266,437.20/399,655.80 = 232,222.80/x
  3. Step 3: Cross multiply
    266,437.20x = 399,655.80 × 232,222.80
  4. Step 4: Simplify right side
    266,437.20x = 92,809,188,912.24
  5. Step 5: Solve for x
    x = 92,809,188,912.24/266,437.20
  6. Step 6: Final answer
    x = 348,334.20

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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.