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Finding the Fourth Proportional to 330,808.80, 496,213.20 and 237,496.80

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Solution

The fourth proportional to 330,808.80, 496,213.20 and 237,496.80 is: 356,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,808.80 : 496,213.20 = 237,496.80 : x
  2. Step 2: Convert to fraction form
    330,808.80/496,213.20 = 237,496.80/x
  3. Step 3: Cross multiply
    330,808.80x = 496,213.20 × 237,496.80
  4. Step 4: Simplify right side
    330,808.80x = 117,849,047,117.76
  5. Step 5: Solve for x
    x = 117,849,047,117.76/330,808.80
  6. Step 6: Final answer
    x = 356,245.20

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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.