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Finding the Fourth Proportional to 956.02, 1,434.02 and 297.88

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Solution

The fourth proportional to 956.02, 1,434.02 and 297.88 is: 446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.02 : 1,434.02 = 297.88 : x
  2. Step 2: Convert to fraction form
    956.02/1,434.02 = 297.88/x
  3. Step 3: Cross multiply
    956.02x = 1,434.02 × 297.88
  4. Step 4: Simplify right side
    956.02x = 427,165.88
  5. Step 5: Solve for x
    x = 427,165.88/956.02
  6. Step 6: Final answer
    x = 446.82

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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.