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Finding the Fourth Proportional to 493,764.75, 681,395.40 and 267,410.25

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Solution

The fourth proportional to 493,764.75, 681,395.40 and 267,410.25 is: 369,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,764.75 : 681,395.40 = 267,410.25 : x
  2. Step 2: Convert to fraction form
    493,764.75/681,395.40 = 267,410.25/x
  3. Step 3: Cross multiply
    493,764.75x = 681,395.40 × 267,410.25
  4. Step 4: Simplify right side
    493,764.75x = 182,212,114,262.85
  5. Step 5: Solve for x
    x = 182,212,114,262.85/493,764.75
  6. Step 6: Final answer
    x = 369,026.17

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1.5x scale

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.