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Finding the Fourth Proportional to 351,264.91, 526,473.06 and 171,080.29

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Solution

The fourth proportional to 351,264.91, 526,473.06 and 171,080.29 is: 256,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,264.91 : 526,473.06 = 171,080.29 : x
  2. Step 2: Convert to fraction form
    351,264.91/526,473.06 = 171,080.29/x
  3. Step 3: Cross multiply
    351,264.91x = 526,473.06 × 171,080.29
  4. Step 4: Simplify right side
    351,264.91x = 90,069,163,781.99
  5. Step 5: Solve for x
    x = 90,069,163,781.99/351,264.91
  6. Step 6: Final answer
    x = 256,413.78

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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.