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Finding the Fourth Proportional to 888,630.96, 1,225,035.12 and 633,539.28

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Solution

The fourth proportional to 888,630.96, 1,225,035.12 and 633,539.28 is: 873,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,630.96 : 1,225,035.12 = 633,539.28 : x
  2. Step 2: Convert to fraction form
    888,630.96/1,225,035.12 = 633,539.28/x
  3. Step 3: Cross multiply
    888,630.96x = 1,225,035.12 × 633,539.28
  4. Step 4: Simplify right side
    888,630.96x = 776,107,867,899.51
  5. Step 5: Solve for x
    x = 776,107,867,899.51/888,630.96
  6. Step 6: Final answer
    x = 873,374.78

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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.