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Finding the Fourth Proportional to 544,887.88, 817,837.98 and 278,839.24

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Solution

The fourth proportional to 544,887.88, 817,837.98 and 278,839.24 is: 418,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,887.88 : 817,837.98 = 278,839.24 : x
  2. Step 2: Convert to fraction form
    544,887.88/817,837.98 = 278,839.24/x
  3. Step 3: Cross multiply
    544,887.88x = 817,837.98 × 278,839.24
  4. Step 4: Simplify right side
    544,887.88x = 228,045,320,786.34
  5. Step 5: Solve for x
    x = 228,045,320,786.34/544,887.88
  6. Step 6: Final answer
    x = 418,517.88

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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.