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Finding the Fourth Proportional to 401,320.88, 601,992.28 and 117,004.56

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Solution

The fourth proportional to 401,320.88, 601,992.28 and 117,004.56 is: 175,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,320.88 : 601,992.28 = 117,004.56 : x
  2. Step 2: Convert to fraction form
    401,320.88/601,992.28 = 117,004.56/x
  3. Step 3: Cross multiply
    401,320.88x = 601,992.28 × 117,004.56
  4. Step 4: Simplify right side
    401,320.88x = 70,435,842,445.73
  5. Step 5: Solve for x
    x = 70,435,842,445.73/401,320.88
  6. Step 6: Final answer
    x = 175,510.04

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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.