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Finding the Fourth Proportional to 411,965.66, 568,414.59 and 250,818.86

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Solution

The fourth proportional to 411,965.66, 568,414.59 and 250,818.86 is: 346,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,965.66 : 568,414.59 = 250,818.86 : x
  2. Step 2: Convert to fraction form
    411,965.66/568,414.59 = 250,818.86/x
  3. Step 3: Cross multiply
    411,965.66x = 568,414.59 × 250,818.86
  4. Step 4: Simplify right side
    411,965.66x = 142,569,099,471.17
  5. Step 5: Solve for x
    x = 142,569,099,471.17/411,965.66
  6. Step 6: Final answer
    x = 346,070.35

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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.