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Finding the Fourth Proportional to 404,686.97, 606,887.93 and 134,741.80

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Solution

The fourth proportional to 404,686.97, 606,887.93 and 134,741.80 is: 202,065.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,686.97 : 606,887.93 = 134,741.80 : x
  2. Step 2: Convert to fraction form
    404,686.97/606,887.93 = 134,741.80/x
  3. Step 3: Cross multiply
    404,686.97x = 606,887.93 × 134,741.80
  4. Step 4: Simplify right side
    404,686.97x = 81,773,170,906.11
  5. Step 5: Solve for x
    x = 81,773,170,906.11/404,686.97
  6. Step 6: Final answer
    x = 202,065.25

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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.