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Finding the Fourth Proportional to 610.02, 841.74 and 414.12

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Solution

The fourth proportional to 610.02, 841.74 and 414.12 is: 571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.02 : 841.74 = 414.12 : x
  2. Step 2: Convert to fraction form
    610.02/841.74 = 414.12/x
  3. Step 3: Cross multiply
    610.02x = 841.74 × 414.12
  4. Step 4: Simplify right side
    610.02x = 348,581.37
  5. Step 5: Solve for x
    x = 348,581.37/610.02
  6. Step 6: Final answer
    x = 571.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.