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Finding the Fourth Proportional to 341,430.18, 471,173.74 and 188,468.47

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Solution

The fourth proportional to 341,430.18, 471,173.74 and 188,468.47 is: 260,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430.18 : 471,173.74 = 188,468.47 : x
  2. Step 2: Convert to fraction form
    341,430.18/471,173.74 = 188,468.47/x
  3. Step 3: Cross multiply
    341,430.18x = 471,173.74 × 188,468.47
  4. Step 4: Simplify right side
    341,430.18x = 88,801,390,819.35
  5. Step 5: Solve for x
    x = 88,801,390,819.35/341,430.18
  6. Step 6: Final answer
    x = 260,086.53

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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.