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Finding the Fourth Proportional to 220,234.30, 308,950.10 and 220,234.30

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Solution

The fourth proportional to 220,234.30, 308,950.10 and 220,234.30 is: 308,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.30 : 308,950.10 = 220,234.30 : x
  2. Step 2: Convert to fraction form
    220,234.30/308,950.10 = 220,234.30/x
  3. Step 3: Cross multiply
    220,234.30x = 308,950.10 × 220,234.30
  4. Step 4: Simplify right side
    220,234.30x = 68,041,409,008.43
  5. Step 5: Solve for x
    x = 68,041,409,008.43/220,234.30
  6. Step 6: Final answer
    x = 308,950.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.