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Finding the Fourth Proportional to 606.61, 837.48 and 440.65

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Solution

The fourth proportional to 606.61, 837.48 and 440.65 is: 608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.61 : 837.48 = 440.65 : x
  2. Step 2: Convert to fraction form
    606.61/837.48 = 440.65/x
  3. Step 3: Cross multiply
    606.61x = 837.48 × 440.65
  4. Step 4: Simplify right side
    606.61x = 369,035.56
  5. Step 5: Solve for x
    x = 369,035.56/606.61
  6. Step 6: Final answer
    x = 608.36

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