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Finding the Fourth Proportional to 466,917.87, 644,349.32 and 265,713.87

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Solution

The fourth proportional to 466,917.87, 644,349.32 and 265,713.87 is: 366,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,917.87 : 644,349.32 = 265,713.87 : x
  2. Step 2: Convert to fraction form
    466,917.87/644,349.32 = 265,713.87/x
  3. Step 3: Cross multiply
    466,917.87x = 644,349.32 × 265,713.87
  4. Step 4: Simplify right side
    466,917.87x = 171,212,550,120.50
  5. Step 5: Solve for x
    x = 171,212,550,120.50/466,917.87
  6. Step 6: Final answer
    x = 366,686.65

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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.