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Finding the Fourth Proportional to 317.51, 476.00 and 125.01

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Solution

The fourth proportional to 317.51, 476.00 and 125.01 is: 187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.51 : 476.00 = 125.01 : x
  2. Step 2: Convert to fraction form
    317.51/476.00 = 125.01/x
  3. Step 3: Cross multiply
    317.51x = 476.00 × 125.01
  4. Step 4: Simplify right side
    317.51x = 59,504.13
  5. Step 5: Solve for x
    x = 59,504.13/317.51
  6. Step 6: Final answer
    x = 187.41

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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.