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Finding the Fourth Proportional to 481,358.76, 722,120.13 and 241,587.01

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Solution

The fourth proportional to 481,358.76, 722,120.13 and 241,587.01 is: 362,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,358.76 : 722,120.13 = 241,587.01 : x
  2. Step 2: Convert to fraction form
    481,358.76/722,120.13 = 241,587.01/x
  3. Step 3: Cross multiply
    481,358.76x = 722,120.13 × 241,587.01
  4. Step 4: Simplify right side
    481,358.76x = 174,454,843,067.51
  5. Step 5: Solve for x
    x = 174,454,843,067.51/481,358.76
  6. Step 6: Final answer
    x = 362,421.66

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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.