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Finding the Fourth Proportional to 371,866.26, 513,000.15 and 269,667.53

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Solution

The fourth proportional to 371,866.26, 513,000.15 and 269,667.53 is: 372,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,866.26 : 513,000.15 = 269,667.53 : x
  2. Step 2: Convert to fraction form
    371,866.26/513,000.15 = 269,667.53/x
  3. Step 3: Cross multiply
    371,866.26x = 513,000.15 × 269,667.53
  4. Step 4: Simplify right side
    371,866.26x = 138,339,480,775.13
  5. Step 5: Solve for x
    x = 138,339,480,775.13/371,866.26
  6. Step 6: Final answer
    x = 372,014.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.