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Finding the Fourth Proportional to 467,891.80, 701,837.70 and 255,315.40

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Solution

The fourth proportional to 467,891.80, 701,837.70 and 255,315.40 is: 382,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,891.80 : 701,837.70 = 255,315.40 : x
  2. Step 2: Convert to fraction form
    467,891.80/701,837.70 = 255,315.40/x
  3. Step 3: Cross multiply
    467,891.80x = 701,837.70 × 255,315.40
  4. Step 4: Simplify right side
    467,891.80x = 179,189,973,110.58
  5. Step 5: Solve for x
    x = 179,189,973,110.58/467,891.80
  6. Step 6: Final answer
    x = 382,973.10

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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.