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Finding the Fourth Proportional to 835.01, 1,152.28 and 461.99

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Solution

The fourth proportional to 835.01, 1,152.28 and 461.99 is: 637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.01 : 1,152.28 = 461.99 : x
  2. Step 2: Convert to fraction form
    835.01/1,152.28 = 461.99/x
  3. Step 3: Cross multiply
    835.01x = 1,152.28 × 461.99
  4. Step 4: Simplify right side
    835.01x = 532,334.92
  5. Step 5: Solve for x
    x = 532,334.92/835.01
  6. Step 6: Final answer
    x = 637.52

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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.