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Finding the Fourth Proportional to 362.07, 542.50 and 269.93

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Solution

The fourth proportional to 362.07, 542.50 and 269.93 is: 404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.07 : 542.50 = 269.93 : x
  2. Step 2: Convert to fraction form
    362.07/542.50 = 269.93/x
  3. Step 3: Cross multiply
    362.07x = 542.50 × 269.93
  4. Step 4: Simplify right side
    362.07x = 146,437.71
  5. Step 5: Solve for x
    x = 146,437.71/362.07
  6. Step 6: Final answer
    x = 404.45

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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.