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Finding the Fourth Proportional to 886,410.96, 1,223,262 and 484,002.96

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Solution

The fourth proportional to 886,410.96, 1,223,262 and 484,002.96 is: 667,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,410.96 : 1,223,262 = 484,002.96 : x
  2. Step 2: Convert to fraction form
    886,410.96/1,223,262 = 484,002.96/x
  3. Step 3: Cross multiply
    886,410.96x = 1,223,262 × 484,002.96
  4. Step 4: Simplify right side
    886,410.96x = 592,062,428,855.52
  5. Step 5: Solve for x
    x = 592,062,428,855.52/886,410.96
  6. Step 6: Final answer
    x = 667,932.21

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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.