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Finding the Fourth Proportional to 317.02, 473.12 and 296.13

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Solution

The fourth proportional to 317.02, 473.12 and 296.13 is: 441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.02 : 473.12 = 296.13 : x
  2. Step 2: Convert to fraction form
    317.02/473.12 = 296.13/x
  3. Step 3: Cross multiply
    317.02x = 473.12 × 296.13
  4. Step 4: Simplify right side
    317.02x = 140,106.43
  5. Step 5: Solve for x
    x = 140,106.43/317.02
  6. Step 6: Final answer
    x = 441.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.