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Finding the Fourth Proportional to 401,292.97, 602,001.73 and 135,032.73

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Solution

The fourth proportional to 401,292.97, 602,001.73 and 135,032.73 is: 202,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,292.97 : 602,001.73 = 135,032.73 : x
  2. Step 2: Convert to fraction form
    401,292.97/602,001.73 = 135,032.73/x
  3. Step 3: Cross multiply
    401,292.97x = 602,001.73 × 135,032.73
  4. Step 4: Simplify right side
    401,292.97x = 81,289,937,066.62
  5. Step 5: Solve for x
    x = 81,289,937,066.62/401,292.97
  6. Step 6: Final answer
    x = 202,570.05

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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.