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Finding the Fourth Proportional to 480,260.88, 720,763.05 and 181,013.64

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Solution

The fourth proportional to 480,260.88, 720,763.05 and 181,013.64 is: 271,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,260.88 : 720,763.05 = 181,013.64 : x
  2. Step 2: Convert to fraction form
    480,260.88/720,763.05 = 181,013.64/x
  3. Step 3: Cross multiply
    480,260.88x = 720,763.05 × 181,013.64
  4. Step 4: Simplify right side
    480,260.88x = 130,467,943,258.00
  5. Step 5: Solve for x
    x = 130,467,943,258.00/480,260.88
  6. Step 6: Final answer
    x = 271,660.57

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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.