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Finding the Fourth Proportional to 418,251.63, 577,186.06 and 227,264.97

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Solution

The fourth proportional to 418,251.63, 577,186.06 and 227,264.97 is: 313,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,251.63 : 577,186.06 = 227,264.97 : x
  2. Step 2: Convert to fraction form
    418,251.63/577,186.06 = 227,264.97/x
  3. Step 3: Cross multiply
    418,251.63x = 577,186.06 × 227,264.97
  4. Step 4: Simplify right side
    418,251.63x = 131,174,172,610.32
  5. Step 5: Solve for x
    x = 131,174,172,610.32/418,251.63
  6. Step 6: Final answer
    x = 313,625.01

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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.