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Finding the Fourth Proportional to 958.34, 1,437.51 and 525.26

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Solution

The fourth proportional to 958.34, 1,437.51 and 525.26 is: 787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.34 : 1,437.51 = 525.26 : x
  2. Step 2: Convert to fraction form
    958.34/1,437.51 = 525.26/x
  3. Step 3: Cross multiply
    958.34x = 1,437.51 × 525.26
  4. Step 4: Simplify right side
    958.34x = 755,059.32
  5. Step 5: Solve for x
    x = 755,059.32/958.34
  6. Step 6: Final answer
    x = 787.89

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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.