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Finding the Fourth Proportional to 374,414.10, 516,690.54 and 204,649.44

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Solution

The fourth proportional to 374,414.10, 516,690.54 and 204,649.44 is: 282,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.10 : 516,690.54 = 204,649.44 : x
  2. Step 2: Convert to fraction form
    374,414.10/516,690.54 = 204,649.44/x
  3. Step 3: Cross multiply
    374,414.10x = 516,690.54 × 204,649.44
  4. Step 4: Simplify right side
    374,414.10x = 105,740,429,664.30
  5. Step 5: Solve for x
    x = 105,740,429,664.30/374,414.10
  6. Step 6: Final answer
    x = 282,415.73

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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.