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Finding the Fourth Proportional to 378,333.73, 522,104.04 and 208,573.93

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Solution

The fourth proportional to 378,333.73, 522,104.04 and 208,573.93 is: 287,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,333.73 : 522,104.04 = 208,573.93 : x
  2. Step 2: Convert to fraction form
    378,333.73/522,104.04 = 208,573.93/x
  3. Step 3: Cross multiply
    378,333.73x = 522,104.04 × 208,573.93
  4. Step 4: Simplify right side
    378,333.73x = 108,897,291,491.68
  5. Step 5: Solve for x
    x = 108,897,291,491.68/378,333.73
  6. Step 6: Final answer
    x = 287,833.95

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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.