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Finding the Fourth Proportional to 341,617.74, 471,451.16 and 188,655.54

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Solution

The fourth proportional to 341,617.74, 471,451.16 and 188,655.54 is: 260,354.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,617.74 : 471,451.16 = 188,655.54 : x
  2. Step 2: Convert to fraction form
    341,617.74/471,451.16 = 188,655.54/x
  3. Step 3: Cross multiply
    341,617.74x = 471,451.16 × 188,655.54
  4. Step 4: Simplify right side
    341,617.74x = 88,941,872,230.15
  5. Step 5: Solve for x
    x = 88,941,872,230.15/341,617.74
  6. Step 6: Final answer
    x = 260,354.96

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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.