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Finding the Fourth Proportional to 467,999.70, 701,999.55 and 187,718.10

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Solution

The fourth proportional to 467,999.70, 701,999.55 and 187,718.10 is: 281,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,999.70 : 701,999.55 = 187,718.10 : x
  2. Step 2: Convert to fraction form
    467,999.70/701,999.55 = 187,718.10/x
  3. Step 3: Cross multiply
    467,999.70x = 701,999.55 × 187,718.10
  4. Step 4: Simplify right side
    467,999.70x = 131,778,021,726.86
  5. Step 5: Solve for x
    x = 131,778,021,726.86/467,999.70
  6. Step 6: Final answer
    x = 281,577.15

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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.