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Finding the Fourth Proportional to 530.55, 795.67 and 183.81

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Solution

The fourth proportional to 530.55, 795.67 and 183.81 is: 275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.55 : 795.67 = 183.81 : x
  2. Step 2: Convert to fraction form
    530.55/795.67 = 183.81/x
  3. Step 3: Cross multiply
    530.55x = 795.67 × 183.81
  4. Step 4: Simplify right side
    530.55x = 146,249.86
  5. Step 5: Solve for x
    x = 146,249.86/530.55
  6. Step 6: Final answer
    x = 275.65

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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.