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Finding the Fourth Proportional to 958.52, 1,437.69 and 410.60

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Solution

The fourth proportional to 958.52, 1,437.69 and 410.60 is: 615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.52 : 1,437.69 = 410.60 : x
  2. Step 2: Convert to fraction form
    958.52/1,437.69 = 410.60/x
  3. Step 3: Cross multiply
    958.52x = 1,437.69 × 410.60
  4. Step 4: Simplify right side
    958.52x = 590,315.51
  5. Step 5: Solve for x
    x = 590,315.51/958.52
  6. Step 6: Final answer
    x = 615.86

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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.