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Finding the Fourth Proportional to 530.24, 794.54 and 286.52

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Solution

The fourth proportional to 530.24, 794.54 and 286.52 is: 429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.24 : 794.54 = 286.52 : x
  2. Step 2: Convert to fraction form
    530.24/794.54 = 286.52/x
  3. Step 3: Cross multiply
    530.24x = 794.54 × 286.52
  4. Step 4: Simplify right side
    530.24x = 227,648.34
  5. Step 5: Solve for x
    x = 227,648.34/530.24
  6. Step 6: Final answer
    x = 429.33

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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.