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Finding the Fourth Proportional to 958.51, 1,437.23 and 373.15

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Solution

The fourth proportional to 958.51, 1,437.23 and 373.15 is: 559.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.51 : 1,437.23 = 373.15 : x
  2. Step 2: Convert to fraction form
    958.51/1,437.23 = 373.15/x
  3. Step 3: Cross multiply
    958.51x = 1,437.23 × 373.15
  4. Step 4: Simplify right side
    958.51x = 536,293.32
  5. Step 5: Solve for x
    x = 536,293.32/958.51
  6. Step 6: Final answer
    x = 559.51

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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.