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Finding the Fourth Proportional to 334,572.09, 461,649.90 and 189,377.16

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Solution

The fourth proportional to 334,572.09, 461,649.90 and 189,377.16 is: 261,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,572.09 : 461,649.90 = 189,377.16 : x
  2. Step 2: Convert to fraction form
    334,572.09/461,649.90 = 189,377.16/x
  3. Step 3: Cross multiply
    334,572.09x = 461,649.90 × 189,377.16
  4. Step 4: Simplify right side
    334,572.09x = 87,425,946,976.28
  5. Step 5: Solve for x
    x = 87,425,946,976.28/334,572.09
  6. Step 6: Final answer
    x = 261,306.75

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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.