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Finding the Fourth Proportional to 467,708.80, 701,667 and 218,254.72

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Solution

The fourth proportional to 467,708.80, 701,667 and 218,254.72 is: 327,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,708.80 : 701,667 = 218,254.72 : x
  2. Step 2: Convert to fraction form
    467,708.80/701,667 = 218,254.72/x
  3. Step 3: Cross multiply
    467,708.80x = 701,667 × 218,254.72
  4. Step 4: Simplify right side
    467,708.80x = 153,142,134,618.24
  5. Step 5: Solve for x
    x = 153,142,134,618.24/467,708.80
  6. Step 6: Final answer
    x = 327,430.52

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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.