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Finding the Fourth Proportional to 465.93, 698.88 and 260.67

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Solution

The fourth proportional to 465.93, 698.88 and 260.67 is: 391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.93 : 698.88 = 260.67 : x
  2. Step 2: Convert to fraction form
    465.93/698.88 = 260.67/x
  3. Step 3: Cross multiply
    465.93x = 698.88 × 260.67
  4. Step 4: Simplify right side
    465.93x = 182,177.05
  5. Step 5: Solve for x
    x = 182,177.05/465.93
  6. Step 6: Final answer
    x = 391.00

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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.