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Finding the Fourth Proportional to 578.10, 797.88 and 341.94

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Solution

The fourth proportional to 578.10, 797.88 and 341.94 is: 471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.10 : 797.88 = 341.94 : x
  2. Step 2: Convert to fraction form
    578.10/797.88 = 341.94/x
  3. Step 3: Cross multiply
    578.10x = 797.88 × 341.94
  4. Step 4: Simplify right side
    578.10x = 272,827.09
  5. Step 5: Solve for x
    x = 272,827.09/578.10
  6. Step 6: Final answer
    x = 471.94

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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.