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Finding the Fourth Proportional to 476.35, 713.81 and 373.17

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Solution

The fourth proportional to 476.35, 713.81 and 373.17 is: 559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.35 : 713.81 = 373.17 : x
  2. Step 2: Convert to fraction form
    476.35/713.81 = 373.17/x
  3. Step 3: Cross multiply
    476.35x = 713.81 × 373.17
  4. Step 4: Simplify right side
    476.35x = 266,376.09
  5. Step 5: Solve for x
    x = 266,376.09/476.35
  6. Step 6: Final answer
    x = 559.21

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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.