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Finding the Fourth Proportional to 493,973.04, 681,683.46 and 267,618.54

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Solution

The fourth proportional to 493,973.04, 681,683.46 and 267,618.54 is: 369,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,973.04 : 681,683.46 = 267,618.54 : x
  2. Step 2: Convert to fraction form
    493,973.04/681,683.46 = 267,618.54/x
  3. Step 3: Cross multiply
    493,973.04x = 681,683.46 × 267,618.54
  4. Step 4: Simplify right side
    493,973.04x = 182,431,132,307.35
  5. Step 5: Solve for x
    x = 182,431,132,307.35/493,973.04
  6. Step 6: Final answer
    x = 369,313.95

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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.