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Finding the Fourth Proportional to 564.84, 777.60 and 506.52

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Solution

The fourth proportional to 564.84, 777.60 and 506.52 is: 697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.84 : 777.60 = 506.52 : x
  2. Step 2: Convert to fraction form
    564.84/777.60 = 506.52/x
  3. Step 3: Cross multiply
    564.84x = 777.60 × 506.52
  4. Step 4: Simplify right side
    564.84x = 393,869.95
  5. Step 5: Solve for x
    x = 393,869.95/564.84
  6. Step 6: Final answer
    x = 697.31

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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.