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Finding the Fourth Proportional to 468.15, 702.02 and 360.02

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Solution

The fourth proportional to 468.15, 702.02 and 360.02 is: 539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.15 : 702.02 = 360.02 : x
  2. Step 2: Convert to fraction form
    468.15/702.02 = 360.02/x
  3. Step 3: Cross multiply
    468.15x = 702.02 × 360.02
  4. Step 4: Simplify right side
    468.15x = 252,738.63
  5. Step 5: Solve for x
    x = 252,738.63/468.15
  6. Step 6: Final answer
    x = 539.87

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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.