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Finding the Fourth Proportional to 530.34, 732 and 333.91

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Solution

The fourth proportional to 530.34, 732 and 333.91 is: 460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.34 : 732 = 333.91 : x
  2. Step 2: Convert to fraction form
    530.34/732 = 333.91/x
  3. Step 3: Cross multiply
    530.34x = 732 × 333.91
  4. Step 4: Simplify right side
    530.34x = 244,422.12
  5. Step 5: Solve for x
    x = 244,422.12/530.34
  6. Step 6: Final answer
    x = 460.88

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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.