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Finding the Fourth Proportional to 549,209.04, 823,661.28 and 265,084.56

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Solution

The fourth proportional to 549,209.04, 823,661.28 and 265,084.56 is: 397,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,209.04 : 823,661.28 = 265,084.56 : x
  2. Step 2: Convert to fraction form
    549,209.04/823,661.28 = 265,084.56/x
  3. Step 3: Cross multiply
    549,209.04x = 823,661.28 × 265,084.56
  4. Step 4: Simplify right side
    549,209.04x = 218,339,887,997.84
  5. Step 5: Solve for x
    x = 218,339,887,997.84/549,209.04
  6. Step 6: Final answer
    x = 397,553.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.