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Finding the Fourth Proportional to 530.34, 793.98 and 452.82

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Solution

The fourth proportional to 530.34, 793.98 and 452.82 is: 677.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.34 : 793.98 = 452.82 : x
  2. Step 2: Convert to fraction form
    530.34/793.98 = 452.82/x
  3. Step 3: Cross multiply
    530.34x = 793.98 × 452.82
  4. Step 4: Simplify right side
    530.34x = 359,530.02
  5. Step 5: Solve for x
    x = 359,530.02/530.34
  6. Step 6: Final answer
    x = 677.92

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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.