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Finding the Fourth Proportional to 401,650.54, 602,055.44 and 135,319.04

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Solution

The fourth proportional to 401,650.54, 602,055.44 and 135,319.04 is: 202,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,650.54 : 602,055.44 = 135,319.04 : x
  2. Step 2: Convert to fraction form
    401,650.54/602,055.44 = 135,319.04/x
  3. Step 3: Cross multiply
    401,650.54x = 602,055.44 × 135,319.04
  4. Step 4: Simplify right side
    401,650.54x = 81,469,564,167.58
  5. Step 5: Solve for x
    x = 81,469,564,167.58/401,650.54
  6. Step 6: Final answer
    x = 202,836.93

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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.