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Finding the Fourth Proportional to 555.24, 766 and 334.08

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Solution

The fourth proportional to 555.24, 766 and 334.08 is: 460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.24 : 766 = 334.08 : x
  2. Step 2: Convert to fraction form
    555.24/766 = 334.08/x
  3. Step 3: Cross multiply
    555.24x = 766 × 334.08
  4. Step 4: Simplify right side
    555.24x = 255,905.28
  5. Step 5: Solve for x
    x = 255,905.28/555.24
  6. Step 6: Final answer
    x = 460.89

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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.