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Finding the Fourth Proportional to 425.19, 634.73 and 370.50

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Solution

The fourth proportional to 425.19, 634.73 and 370.50 is: 553.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425.19 : 634.73 = 370.50 : x
  2. Step 2: Convert to fraction form
    425.19/634.73 = 370.50/x
  3. Step 3: Cross multiply
    425.19x = 634.73 × 370.50
  4. Step 4: Simplify right side
    425.19x = 235,165.61
  5. Step 5: Solve for x
    x = 235,165.61/425.19
  6. Step 6: Final answer
    x = 553.08

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