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Finding the Fourth Proportional to 958.06, 1,437.14 and 409.86

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Solution

The fourth proportional to 958.06, 1,437.14 and 409.86 is: 614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.06 : 1,437.14 = 409.86 : x
  2. Step 2: Convert to fraction form
    958.06/1,437.14 = 409.86/x
  3. Step 3: Cross multiply
    958.06x = 1,437.14 × 409.86
  4. Step 4: Simplify right side
    958.06x = 589,026.20
  5. Step 5: Solve for x
    x = 589,026.20/958.06
  6. Step 6: Final answer
    x = 614.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.