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Finding the Fourth Proportional to 334,458.87, 461,553.55 and 191,221.91

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Solution

The fourth proportional to 334,458.87, 461,553.55 and 191,221.91 is: 263,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,458.87 : 461,553.55 = 191,221.91 : x
  2. Step 2: Convert to fraction form
    334,458.87/461,553.55 = 191,221.91/x
  3. Step 3: Cross multiply
    334,458.87x = 461,553.55 × 191,221.91
  4. Step 4: Simplify right side
    334,458.87x = 88,259,151,398.28
  5. Step 5: Solve for x
    x = 88,259,151,398.28/334,458.87
  6. Step 6: Final answer
    x = 263,886.41

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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.