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Finding the Fourth Proportional to 605.82, 836.73 and 440.77

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Solution

The fourth proportional to 605.82, 836.73 and 440.77 is: 608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.82 : 836.73 = 440.77 : x
  2. Step 2: Convert to fraction form
    605.82/836.73 = 440.77/x
  3. Step 3: Cross multiply
    605.82x = 836.73 × 440.77
  4. Step 4: Simplify right side
    605.82x = 368,805.48
  5. Step 5: Solve for x
    x = 368,805.48/605.82
  6. Step 6: Final answer
    x = 608.77

Related Problems

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Half scale
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Double scale
Find fourth proportional to 606.82, 838.11 and 441.77
Similar ratio
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1.5x scale

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.