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Finding the Fourth Proportional to 435,203.75, 652,774.76 and 115,348.52

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Solution

The fourth proportional to 435,203.75, 652,774.76 and 115,348.52 is: 173,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,203.75 : 652,774.76 = 115,348.52 : x
  2. Step 2: Convert to fraction form
    435,203.75/652,774.76 = 115,348.52/x
  3. Step 3: Cross multiply
    435,203.75x = 652,774.76 × 115,348.52
  4. Step 4: Simplify right side
    435,203.75x = 75,296,598,618.74
  5. Step 5: Solve for x
    x = 75,296,598,618.74/435,203.75
  6. Step 6: Final answer
    x = 173,014.59

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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.