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Finding the Fourth Proportional to 536,494.80, 803,513.40 and 273,531.60

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Solution

The fourth proportional to 536,494.80, 803,513.40 and 273,531.60 is: 409,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,494.80 : 803,513.40 = 273,531.60 : x
  2. Step 2: Convert to fraction form
    536,494.80/803,513.40 = 273,531.60/x
  3. Step 3: Cross multiply
    536,494.80x = 803,513.40 × 273,531.60
  4. Step 4: Simplify right side
    536,494.80x = 219,786,305,923.44
  5. Step 5: Solve for x
    x = 219,786,305,923.44/536,494.80
  6. Step 6: Final answer
    x = 409,670.90

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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.