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Finding the Fourth Proportional to 480,274.32, 720,783.36 and 181,027.14

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Solution

The fourth proportional to 480,274.32, 720,783.36 and 181,027.14 is: 271,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,274.32 : 720,783.36 = 181,027.14 : x
  2. Step 2: Convert to fraction form
    480,274.32/720,783.36 = 181,027.14/x
  3. Step 3: Cross multiply
    480,274.32x = 720,783.36 × 181,027.14
  4. Step 4: Simplify right side
    480,274.32x = 130,481,350,220.39
  5. Step 5: Solve for x
    x = 130,481,350,220.39/480,274.32
  6. Step 6: Final answer
    x = 271,680.88

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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.