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Finding the Fourth Proportional to 835.08, 1,152.65 and 503.44

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Solution

The fourth proportional to 835.08, 1,152.65 and 503.44 is: 694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.08 : 1,152.65 = 503.44 : x
  2. Step 2: Convert to fraction form
    835.08/1,152.65 = 503.44/x
  3. Step 3: Cross multiply
    835.08x = 1,152.65 × 503.44
  4. Step 4: Simplify right side
    835.08x = 580,290.12
  5. Step 5: Solve for x
    x = 580,290.12/835.08
  6. Step 6: Final answer
    x = 694.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.