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Finding the Fourth Proportional to 958.59, 1,437.70 and 265.08

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Solution

The fourth proportional to 958.59, 1,437.70 and 265.08 is: 397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.59 : 1,437.70 = 265.08 : x
  2. Step 2: Convert to fraction form
    958.59/1,437.70 = 265.08/x
  3. Step 3: Cross multiply
    958.59x = 1,437.70 × 265.08
  4. Step 4: Simplify right side
    958.59x = 381,105.52
  5. Step 5: Solve for x
    x = 381,105.52/958.59
  6. Step 6: Final answer
    x = 397.57

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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.