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Finding the Fourth Proportional to 958.66, 1,437.68 and 373.62

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Solution

The fourth proportional to 958.66, 1,437.68 and 373.62 is: 560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.66 : 1,437.68 = 373.62 : x
  2. Step 2: Convert to fraction form
    958.66/1,437.68 = 373.62/x
  3. Step 3: Cross multiply
    958.66x = 1,437.68 × 373.62
  4. Step 4: Simplify right side
    958.66x = 537,144.13
  5. Step 5: Solve for x
    x = 537,144.13/958.66
  6. Step 6: Final answer
    x = 560.31

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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.