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Finding the Fourth Proportional to 556.02, 767.16 and 359.46

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Solution

The fourth proportional to 556.02, 767.16 and 359.46 is: 495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.02 : 767.16 = 359.46 : x
  2. Step 2: Convert to fraction form
    556.02/767.16 = 359.46/x
  3. Step 3: Cross multiply
    556.02x = 767.16 × 359.46
  4. Step 4: Simplify right side
    556.02x = 275,763.33
  5. Step 5: Solve for x
    x = 275,763.33/556.02
  6. Step 6: Final answer
    x = 495.96

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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.