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Finding the Fourth Proportional to 243,614.20, 365,810.10 and 177,518.20

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Solution

The fourth proportional to 243,614.20, 365,810.10 and 177,518.20 is: 266,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,614.20 : 365,810.10 = 177,518.20 : x
  2. Step 2: Convert to fraction form
    243,614.20/365,810.10 = 177,518.20/x
  3. Step 3: Cross multiply
    243,614.20x = 365,810.10 × 177,518.20
  4. Step 4: Simplify right side
    243,614.20x = 64,937,950,493.82
  5. Step 5: Solve for x
    x = 64,937,950,493.82/243,614.20
  6. Step 6: Final answer
    x = 266,560.61

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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.