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Finding the Fourth Proportional to 270,064.40, 404,513.40 and 235,072.40

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Solution

The fourth proportional to 270,064.40, 404,513.40 and 235,072.40 is: 352,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,064.40 : 404,513.40 = 235,072.40 : x
  2. Step 2: Convert to fraction form
    270,064.40/404,513.40 = 235,072.40/x
  3. Step 3: Cross multiply
    270,064.40x = 404,513.40 × 235,072.40
  4. Step 4: Simplify right side
    270,064.40x = 95,089,935,770.16
  5. Step 5: Solve for x
    x = 95,089,935,770.16/270,064.40
  6. Step 6: Final answer
    x = 352,100.96

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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.