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Finding the Fourth Proportional to 575.26, 794.13 and 339.13

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Solution

The fourth proportional to 575.26, 794.13 and 339.13 is: 468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.26 : 794.13 = 339.13 : x
  2. Step 2: Convert to fraction form
    575.26/794.13 = 339.13/x
  3. Step 3: Cross multiply
    575.26x = 794.13 × 339.13
  4. Step 4: Simplify right side
    575.26x = 269,312.17
  5. Step 5: Solve for x
    x = 269,312.17/575.26
  6. Step 6: Final answer
    x = 468.16

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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.