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Finding the Fourth Proportional to 357.29, 533.93 and 337.55

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Solution

The fourth proportional to 357.29, 533.93 and 337.55 is: 504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.29 : 533.93 = 337.55 : x
  2. Step 2: Convert to fraction form
    357.29/533.93 = 337.55/x
  3. Step 3: Cross multiply
    357.29x = 533.93 × 337.55
  4. Step 4: Simplify right side
    357.29x = 180,225.61
  5. Step 5: Solve for x
    x = 180,225.61/357.29
  6. Step 6: Final answer
    x = 504.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.