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Finding the Fourth Proportional to 465.88, 698.10 and 404.92

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Solution

The fourth proportional to 465.88, 698.10 and 404.92 is: 606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.88 : 698.10 = 404.92 : x
  2. Step 2: Convert to fraction form
    465.88/698.10 = 404.92/x
  3. Step 3: Cross multiply
    465.88x = 698.10 × 404.92
  4. Step 4: Simplify right side
    465.88x = 282,674.65
  5. Step 5: Solve for x
    x = 282,674.65/465.88
  6. Step 6: Final answer
    x = 606.75

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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.