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Finding the Fourth Proportional to 467,446.74, 645,131.59 and 260,747.69

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Solution

The fourth proportional to 467,446.74, 645,131.59 and 260,747.69 is: 359,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,446.74 : 645,131.59 = 260,747.69 : x
  2. Step 2: Convert to fraction form
    467,446.74/645,131.59 = 260,747.69/x
  3. Step 3: Cross multiply
    467,446.74x = 645,131.59 × 260,747.69
  4. Step 4: Simplify right side
    467,446.74x = 168,216,571,838.53
  5. Step 5: Solve for x
    x = 168,216,571,838.53/467,446.74
  6. Step 6: Final answer
    x = 359,862.54

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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.