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Finding the Fourth Proportional to 341,612.82, 471,420.77 and 188,657.49

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Solution

The fourth proportional to 341,612.82, 471,420.77 and 188,657.49 is: 260,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,612.82 : 471,420.77 = 188,657.49 : x
  2. Step 2: Convert to fraction form
    341,612.82/471,420.77 = 188,657.49/x
  3. Step 3: Cross multiply
    341,612.82x = 471,420.77 × 188,657.49
  4. Step 4: Simplify right side
    341,612.82x = 88,937,057,198.42
  5. Step 5: Solve for x
    x = 88,937,057,198.42/341,612.82
  6. Step 6: Final answer
    x = 260,344.61

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1.5x scale

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.