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Finding the Fourth Proportional to 887,212.08, 1,224,378 and 494,754.24

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Solution

The fourth proportional to 887,212.08, 1,224,378 and 494,754.24 is: 682,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,212.08 : 1,224,378 = 494,754.24 : x
  2. Step 2: Convert to fraction form
    887,212.08/1,224,378 = 494,754.24/x
  3. Step 3: Cross multiply
    887,212.08x = 1,224,378 × 494,754.24
  4. Step 4: Simplify right side
    887,212.08x = 605,766,206,862.72
  5. Step 5: Solve for x
    x = 605,766,206,862.72/887,212.08
  6. Step 6: Final answer
    x = 682,774.98

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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.