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Finding the Fourth Proportional to 955.62, 1,433.65 and 297.46

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Solution

The fourth proportional to 955.62, 1,433.65 and 297.46 is: 446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.62 : 1,433.65 = 297.46 : x
  2. Step 2: Convert to fraction form
    955.62/1,433.65 = 297.46/x
  3. Step 3: Cross multiply
    955.62x = 1,433.65 × 297.46
  4. Step 4: Simplify right side
    955.62x = 426,457.48
  5. Step 5: Solve for x
    x = 426,457.48/955.62
  6. Step 6: Final answer
    x = 446.26

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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.