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Finding the Fourth Proportional to 888,810.32, 1,226,589 and 486,402.32

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Solution

The fourth proportional to 888,810.32, 1,226,589 and 486,402.32 is: 671,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,810.32 : 1,226,589 = 486,402.32 : x
  2. Step 2: Convert to fraction form
    888,810.32/1,226,589 = 486,402.32/x
  3. Step 3: Cross multiply
    888,810.32x = 1,226,589 × 486,402.32
  4. Step 4: Simplify right side
    888,810.32x = 596,615,735,286.48
  5. Step 5: Solve for x
    x = 596,615,735,286.48/888,810.32
  6. Step 6: Final answer
    x = 671,252.03

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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.