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Finding the Fourth Proportional to 835.16, 1,152.53 and 503.52

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Solution

The fourth proportional to 835.16, 1,152.53 and 503.52 is: 694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.16 : 1,152.53 = 503.52 : x
  2. Step 2: Convert to fraction form
    835.16/1,152.53 = 503.52/x
  3. Step 3: Cross multiply
    835.16x = 1,152.53 × 503.52
  4. Step 4: Simplify right side
    835.16x = 580,316.95
  5. Step 5: Solve for x
    x = 580,316.95/835.16
  6. Step 6: Final answer
    x = 694.86

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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.