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Finding the Fourth Proportional to 493,969.77, 681,681.56 and 267,615.27

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Solution

The fourth proportional to 493,969.77, 681,681.56 and 267,615.27 is: 369,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,969.77 : 681,681.56 = 267,615.27 : x
  2. Step 2: Convert to fraction form
    493,969.77/681,681.56 = 267,615.27/x
  3. Step 3: Cross multiply
    493,969.77x = 681,681.56 × 267,615.27
  4. Step 4: Simplify right side
    493,969.77x = 182,428,393,395.35
  5. Step 5: Solve for x
    x = 182,428,393,395.35/493,969.77
  6. Step 6: Final answer
    x = 369,310.85

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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.