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Finding the Fourth Proportional to 575.48, 793.80 and 342.44

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Solution

The fourth proportional to 575.48, 793.80 and 342.44 is: 472.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.48 : 793.80 = 342.44 : x
  2. Step 2: Convert to fraction form
    575.48/793.80 = 342.44/x
  3. Step 3: Cross multiply
    575.48x = 793.80 × 342.44
  4. Step 4: Simplify right side
    575.48x = 271,828.87
  5. Step 5: Solve for x
    x = 271,828.87/575.48
  6. Step 6: Final answer
    x = 472.35

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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.