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Finding the Fourth Proportional to 404.84, 607.54 and 174

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Solution

The fourth proportional to 404.84, 607.54 and 174 is: 261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.84 : 607.54 = 174 : x
  2. Step 2: Convert to fraction form
    404.84/607.54 = 174/x
  3. Step 3: Cross multiply
    404.84x = 607.54 × 174
  4. Step 4: Simplify right side
    404.84x = 105,711.96
  5. Step 5: Solve for x
    x = 105,711.96/404.84
  6. Step 6: Final answer
    x = 261.12

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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.