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Finding the Fourth Proportional to 530.47, 795.66 and 183.81

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Solution

The fourth proportional to 530.47, 795.66 and 183.81 is: 275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.47 : 795.66 = 183.81 : x
  2. Step 2: Convert to fraction form
    530.47/795.66 = 183.81/x
  3. Step 3: Cross multiply
    530.47x = 795.66 × 183.81
  4. Step 4: Simplify right side
    530.47x = 146,252.56
  5. Step 5: Solve for x
    x = 146,252.56/530.47
  6. Step 6: Final answer
    x = 275.70

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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.