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Finding the Fourth Proportional to 467,812.40, 701,718.60 and 168,339.20

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Solution

The fourth proportional to 467,812.40, 701,718.60 and 168,339.20 is: 252,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,812.40 : 701,718.60 = 168,339.20 : x
  2. Step 2: Convert to fraction form
    467,812.40/701,718.60 = 168,339.20/x
  3. Step 3: Cross multiply
    467,812.40x = 701,718.60 × 168,339.20
  4. Step 4: Simplify right side
    467,812.40x = 118,126,747,749.12
  5. Step 5: Solve for x
    x = 118,126,747,749.12/467,812.40
  6. Step 6: Final answer
    x = 252,508.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.