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Finding the Fourth Proportional to 937.16, 1,403.96 and 526.59

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Solution

The fourth proportional to 937.16, 1,403.96 and 526.59 is: 788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.16 : 1,403.96 = 526.59 : x
  2. Step 2: Convert to fraction form
    937.16/1,403.96 = 526.59/x
  3. Step 3: Cross multiply
    937.16x = 1,403.96 × 526.59
  4. Step 4: Simplify right side
    937.16x = 739,311.30
  5. Step 5: Solve for x
    x = 739,311.30/937.16
  6. Step 6: Final answer
    x = 788.88

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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.