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Finding the Fourth Proportional to 467,311.92, 644,903.82 and 260,585.07

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Solution

The fourth proportional to 467,311.92, 644,903.82 and 260,585.07 is: 359,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,311.92 : 644,903.82 = 260,585.07 : x
  2. Step 2: Convert to fraction form
    467,311.92/644,903.82 = 260,585.07/x
  3. Step 3: Cross multiply
    467,311.92x = 644,903.82 × 260,585.07
  4. Step 4: Simplify right side
    467,311.92x = 168,052,307,077.97
  5. Step 5: Solve for x
    x = 168,052,307,077.97/467,311.92
  6. Step 6: Final answer
    x = 359,614.85

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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.