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Finding the Fourth Proportional to 958.42, 1,437.72 and 373.47

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Solution

The fourth proportional to 958.42, 1,437.72 and 373.47 is: 560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.42 : 1,437.72 = 373.47 : x
  2. Step 2: Convert to fraction form
    958.42/1,437.72 = 373.47/x
  3. Step 3: Cross multiply
    958.42x = 1,437.72 × 373.47
  4. Step 4: Simplify right side
    958.42x = 536,936.23
  5. Step 5: Solve for x
    x = 536,936.23/958.42
  6. Step 6: Final answer
    x = 560.23

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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.