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Finding the Fourth Proportional to 530.92, 732.54 and 323.92

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Solution

The fourth proportional to 530.92, 732.54 and 323.92 is: 446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.92 : 732.54 = 323.92 : x
  2. Step 2: Convert to fraction form
    530.92/732.54 = 323.92/x
  3. Step 3: Cross multiply
    530.92x = 732.54 × 323.92
  4. Step 4: Simplify right side
    530.92x = 237,284.36
  5. Step 5: Solve for x
    x = 237,284.36/530.92
  6. Step 6: Final answer
    x = 446.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.