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Finding the Fourth Proportional to 888,539.50, 1,224,909.12 and 633,447.82

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Solution

The fourth proportional to 888,539.50, 1,224,909.12 and 633,447.82 is: 873,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,539.50 : 1,224,909.12 = 633,447.82 : x
  2. Step 2: Convert to fraction form
    888,539.50/1,224,909.12 = 633,447.82/x
  3. Step 3: Cross multiply
    888,539.50x = 1,224,909.12 × 633,447.82
  4. Step 4: Simplify right side
    888,539.50x = 775,916,011,762.12
  5. Step 5: Solve for x
    x = 775,916,011,762.12/888,539.50
  6. Step 6: Final answer
    x = 873,248.75

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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.