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Finding the Fourth Proportional to 480,257.87, 720,758.57 and 181,010.66

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Solution

The fourth proportional to 480,257.87, 720,758.57 and 181,010.66 is: 271,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,257.87 : 720,758.57 = 181,010.66 : x
  2. Step 2: Convert to fraction form
    480,257.87/720,758.57 = 181,010.66/x
  3. Step 3: Cross multiply
    480,257.87x = 720,758.57 × 181,010.66
  4. Step 4: Simplify right side
    480,257.87x = 130,464,979,947.51
  5. Step 5: Solve for x
    x = 130,464,979,947.51/480,257.87
  6. Step 6: Final answer
    x = 271,656.10

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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.