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Finding the Fourth Proportional to 888,503.24, 1,224,859.08 and 633,411.56

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Solution

The fourth proportional to 888,503.24, 1,224,859.08 and 633,411.56 is: 873,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,503.24 : 1,224,859.08 = 633,411.56 : x
  2. Step 2: Convert to fraction form
    888,503.24/1,224,859.08 = 633,411.56/x
  3. Step 3: Cross multiply
    888,503.24x = 1,224,859.08 × 633,411.56
  4. Step 4: Simplify right side
    888,503.24x = 775,839,900,642.97
  5. Step 5: Solve for x
    x = 775,839,900,642.97/888,503.24
  6. Step 6: Final answer
    x = 873,198.73

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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.