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Finding the Fourth Proportional to 341,515.48, 471,279.90 and 188,551.12

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Solution

The fourth proportional to 341,515.48, 471,279.90 and 188,551.12 is: 260,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,515.48 : 471,279.90 = 188,551.12 : x
  2. Step 2: Convert to fraction form
    341,515.48/471,279.90 = 188,551.12/x
  3. Step 3: Cross multiply
    341,515.48x = 471,279.90 × 188,551.12
  4. Step 4: Simplify right side
    341,515.48x = 88,860,352,978.49
  5. Step 5: Solve for x
    x = 88,860,352,978.49/341,515.48
  6. Step 6: Final answer
    x = 260,194.22

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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.