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Finding the Fourth Proportional to 958.94, 1,437.05 and 741.50

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Solution

The fourth proportional to 958.94, 1,437.05 and 741.50 is: 1,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.94 : 1,437.05 = 741.50 : x
  2. Step 2: Convert to fraction form
    958.94/1,437.05 = 741.50/x
  3. Step 3: Cross multiply
    958.94x = 1,437.05 × 741.50
  4. Step 4: Simplify right side
    958.94x = 1,065,572.58
  5. Step 5: Solve for x
    x = 1,065,572.58/958.94
  6. Step 6: Final answer
    x = 1,111.20

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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.