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Finding the Fourth Proportional to 364.36, 545.74 and 295.56

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Solution

The fourth proportional to 364.36, 545.74 and 295.56 is: 442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.36 : 545.74 = 295.56 : x
  2. Step 2: Convert to fraction form
    364.36/545.74 = 295.56/x
  3. Step 3: Cross multiply
    364.36x = 545.74 × 295.56
  4. Step 4: Simplify right side
    364.36x = 161,298.91
  5. Step 5: Solve for x
    x = 161,298.91/364.36
  6. Step 6: Final answer
    x = 442.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.