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Finding the Fourth Proportional to 315.02, 472 and 237.59

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Solution

The fourth proportional to 315.02, 472 and 237.59 is: 355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315.02 : 472 = 237.59 : x
  2. Step 2: Convert to fraction form
    315.02/472 = 237.59/x
  3. Step 3: Cross multiply
    315.02x = 472 × 237.59
  4. Step 4: Simplify right side
    315.02x = 112,142.48
  5. Step 5: Solve for x
    x = 112,142.48/315.02
  6. Step 6: Final answer
    x = 355.99

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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.