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Finding the Fourth Proportional to 418,626.24, 577,715.16 and 227,650.80

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Solution

The fourth proportional to 418,626.24, 577,715.16 and 227,650.80 is: 314,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,626.24 : 577,715.16 = 227,650.80 : x
  2. Step 2: Convert to fraction form
    418,626.24/577,715.16 = 227,650.80/x
  3. Step 3: Cross multiply
    418,626.24x = 577,715.16 × 227,650.80
  4. Step 4: Simplify right side
    418,626.24x = 131,517,318,346.13
  5. Step 5: Solve for x
    x = 131,517,318,346.13/418,626.24
  6. Step 6: Final answer
    x = 314,164.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.