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Finding the Fourth Proportional to 365, 545.49 and 292.52

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Solution

The fourth proportional to 365, 545.49 and 292.52 is: 437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365 : 545.49 = 292.52 : x
  2. Step 2: Convert to fraction form
    365/545.49 = 292.52/x
  3. Step 3: Cross multiply
    365x = 545.49 × 292.52
  4. Step 4: Simplify right side
    365x = 159,566.73
  5. Step 5: Solve for x
    x = 159,566.73/365
  6. Step 6: Final answer
    x = 437.17

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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.