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Finding the Fourth Proportional to 480,708.82, 720,554.75 and 181,059.75

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Solution

The fourth proportional to 480,708.82, 720,554.75 and 181,059.75 is: 271,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,708.82 : 720,554.75 = 181,059.75 : x
  2. Step 2: Convert to fraction form
    480,708.82/720,554.75 = 181,059.75/x
  3. Step 3: Cross multiply
    480,708.82x = 720,554.75 × 181,059.75
  4. Step 4: Simplify right side
    480,708.82x = 130,463,461,991.01
  5. Step 5: Solve for x
    x = 130,463,461,991.01/480,708.82
  6. Step 6: Final answer
    x = 271,398.10

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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.