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Finding the Fourth Proportional to 404,353.49, 606,465.81 and 134,459.15

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Solution

The fourth proportional to 404,353.49, 606,465.81 and 134,459.15 is: 201,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,353.49 : 606,465.81 = 134,459.15 : x
  2. Step 2: Convert to fraction form
    404,353.49/606,465.81 = 134,459.15/x
  3. Step 3: Cross multiply
    404,353.49x = 606,465.81 × 134,459.15
  4. Step 4: Simplify right side
    404,353.49x = 81,544,874,284.33
  5. Step 5: Solve for x
    x = 81,544,874,284.33/404,353.49
  6. Step 6: Final answer
    x = 201,667.30

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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.