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Finding the Fourth Proportional to 433,399.39, 650,127.61 and 113,559.09

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Solution

The fourth proportional to 433,399.39, 650,127.61 and 113,559.09 is: 170,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,399.39 : 650,127.61 = 113,559.09 : x
  2. Step 2: Convert to fraction form
    433,399.39/650,127.61 = 113,559.09/x
  3. Step 3: Cross multiply
    433,399.39x = 650,127.61 × 113,559.09
  4. Step 4: Simplify right side
    433,399.39x = 73,827,897,479.45
  5. Step 5: Solve for x
    x = 73,827,897,479.45/433,399.39
  6. Step 6: Final answer
    x = 170,346.10

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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.