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Finding the Fourth Proportional to 958.08, 1,437.52 and 525.18

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Solution

The fourth proportional to 958.08, 1,437.52 and 525.18 is: 787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.08 : 1,437.52 = 525.18 : x
  2. Step 2: Convert to fraction form
    958.08/1,437.52 = 525.18/x
  3. Step 3: Cross multiply
    958.08x = 1,437.52 × 525.18
  4. Step 4: Simplify right side
    958.08x = 754,956.75
  5. Step 5: Solve for x
    x = 754,956.75/958.08
  6. Step 6: Final answer
    x = 787.99

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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.