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Finding the Fourth Proportional to 564.56, 844.50 and 530

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Solution

The fourth proportional to 564.56, 844.50 and 530 is: 792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.56 : 844.50 = 530 : x
  2. Step 2: Convert to fraction form
    564.56/844.50 = 530/x
  3. Step 3: Cross multiply
    564.56x = 844.50 × 530
  4. Step 4: Simplify right side
    564.56x = 447,585
  5. Step 5: Solve for x
    x = 447,585/564.56
  6. Step 6: Final answer
    x = 792.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.