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Finding the Fourth Proportional to 469,924.38, 648,478.26 and 255,059.87

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Solution

The fourth proportional to 469,924.38, 648,478.26 and 255,059.87 is: 351,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,924.38 : 648,478.26 = 255,059.87 : x
  2. Step 2: Convert to fraction form
    469,924.38/648,478.26 = 255,059.87/x
  3. Step 3: Cross multiply
    469,924.38x = 648,478.26 × 255,059.87
  4. Step 4: Simplify right side
    469,924.38x = 165,400,777,451.04
  5. Step 5: Solve for x
    x = 165,400,777,451.04/469,924.38
  6. Step 6: Final answer
    x = 351,973.18

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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.