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Finding the Fourth Proportional to 453,165.76, 625,191.76 and 259,469.96

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Solution

The fourth proportional to 453,165.76, 625,191.76 and 259,469.96 is: 357,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,165.76 : 625,191.76 = 259,469.96 : x
  2. Step 2: Convert to fraction form
    453,165.76/625,191.76 = 259,469.96/x
  3. Step 3: Cross multiply
    453,165.76x = 625,191.76 × 259,469.96
  4. Step 4: Simplify right side
    453,165.76x = 162,218,480,959.53
  5. Step 5: Solve for x
    x = 162,218,480,959.53/453,165.76
  6. Step 6: Final answer
    x = 357,967.21

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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.