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Finding the Fourth Proportional to 341,618.74, 471,452.54 and 188,656.54

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Solution

The fourth proportional to 341,618.74, 471,452.54 and 188,656.54 is: 260,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,618.74 : 471,452.54 = 188,656.54 : x
  2. Step 2: Convert to fraction form
    341,618.74/471,452.54 = 188,656.54/x
  3. Step 3: Cross multiply
    341,618.74x = 471,452.54 × 188,656.54
  4. Step 4: Simplify right side
    341,618.74x = 88,942,604,970.61
  5. Step 5: Solve for x
    x = 88,942,604,970.61/341,618.74
  6. Step 6: Final answer
    x = 260,356.34

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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.