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Finding the Fourth Proportional to 591.14, 815.90 and 370.23

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Solution

The fourth proportional to 591.14, 815.90 and 370.23 is: 511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.14 : 815.90 = 370.23 : x
  2. Step 2: Convert to fraction form
    591.14/815.90 = 370.23/x
  3. Step 3: Cross multiply
    591.14x = 815.90 × 370.23
  4. Step 4: Simplify right side
    591.14x = 302,068.81
  5. Step 5: Solve for x
    x = 302,068.81/591.14
  6. Step 6: Final answer
    x = 511.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.