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Finding the Fourth Proportional to 614.98, 852.34 and 603.46

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Solution

The fourth proportional to 614.98, 852.34 and 603.46 is: 836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.98 : 852.34 = 603.46 : x
  2. Step 2: Convert to fraction form
    614.98/852.34 = 603.46/x
  3. Step 3: Cross multiply
    614.98x = 852.34 × 603.46
  4. Step 4: Simplify right side
    614.98x = 514,350.08
  5. Step 5: Solve for x
    x = 514,350.08/614.98
  6. Step 6: Final answer
    x = 836.37

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.