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Finding the Fourth Proportional to 491,476.48, 737,132.37 and 136,526.38

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Solution

The fourth proportional to 491,476.48, 737,132.37 and 136,526.38 is: 204,766.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,476.48 : 737,132.37 = 136,526.38 : x
  2. Step 2: Convert to fraction form
    491,476.48/737,132.37 = 136,526.38/x
  3. Step 3: Cross multiply
    491,476.48x = 737,132.37 × 136,526.38
  4. Step 4: Simplify right side
    491,476.48x = 100,638,014,056.92
  5. Step 5: Solve for x
    x = 100,638,014,056.92/491,476.48
  6. Step 6: Final answer
    x = 204,766.69

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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.