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Finding the Fourth Proportional to 624.04, 934.54 and 404.33

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Solution

The fourth proportional to 624.04, 934.54 and 404.33 is: 605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.04 : 934.54 = 404.33 : x
  2. Step 2: Convert to fraction form
    624.04/934.54 = 404.33/x
  3. Step 3: Cross multiply
    624.04x = 934.54 × 404.33
  4. Step 4: Simplify right side
    624.04x = 377,856.87
  5. Step 5: Solve for x
    x = 377,856.87/624.04
  6. Step 6: Final answer
    x = 605.50

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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.