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Finding the Fourth Proportional to 418,486.24, 577,504.32 and 227,504.48

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Solution

The fourth proportional to 418,486.24, 577,504.32 and 227,504.48 is: 313,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,486.24 : 577,504.32 = 227,504.48 : x
  2. Step 2: Convert to fraction form
    418,486.24/577,504.32 = 227,504.48/x
  3. Step 3: Cross multiply
    418,486.24x = 577,504.32 × 227,504.48
  4. Step 4: Simplify right side
    418,486.24x = 131,384,820,019.35
  5. Step 5: Solve for x
    x = 131,384,820,019.35/418,486.24
  6. Step 6: Final answer
    x = 313,952.54

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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.