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Finding the Fourth Proportional to 404,164.56, 606,293.64 and 134,316.80

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Solution

The fourth proportional to 404,164.56, 606,293.64 and 134,316.80 is: 201,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,164.56 : 606,293.64 = 134,316.80 : x
  2. Step 2: Convert to fraction form
    404,164.56/606,293.64 = 134,316.80/x
  3. Step 3: Cross multiply
    404,164.56x = 606,293.64 × 134,316.80
  4. Step 4: Simplify right side
    404,164.56x = 81,435,421,585.15
  5. Step 5: Solve for x
    x = 81,435,421,585.15/404,164.56
  6. Step 6: Final answer
    x = 201,490.75

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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.