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Finding the Fourth Proportional to 401,396.01, 602,091.27 and 97,786.59

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Solution

The fourth proportional to 401,396.01, 602,091.27 and 97,786.59 is: 146,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,396.01 : 602,091.27 = 97,786.59 : x
  2. Step 2: Convert to fraction form
    401,396.01/602,091.27 = 97,786.59/x
  3. Step 3: Cross multiply
    401,396.01x = 602,091.27 × 97,786.59
  4. Step 4: Simplify right side
    401,396.01x = 58,876,452,162.07
  5. Step 5: Solve for x
    x = 58,876,452,162.07/401,396.01
  6. Step 6: Final answer
    x = 146,679.22

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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.