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Finding the Fourth Proportional to 404,543.84, 606,914.56 and 134,671.46

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Solution

The fourth proportional to 404,543.84, 606,914.56 and 134,671.46 is: 202,040.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,543.84 : 606,914.56 = 134,671.46 : x
  2. Step 2: Convert to fraction form
    404,543.84/606,914.56 = 134,671.46/x
  3. Step 3: Cross multiply
    404,543.84x = 606,914.56 × 134,671.46
  4. Step 4: Simplify right side
    404,543.84x = 81,734,070,227.14
  5. Step 5: Solve for x
    x = 81,734,070,227.14/404,543.84
  6. Step 6: Final answer
    x = 202,040.08

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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.