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Finding the Fourth Proportional to 632,582.56, 872,877.72 and 377,879.68

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Solution

The fourth proportional to 632,582.56, 872,877.72 and 377,879.68 is: 521,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,582.56 : 872,877.72 = 377,879.68 : x
  2. Step 2: Convert to fraction form
    632,582.56/872,877.72 = 377,879.68/x
  3. Step 3: Cross multiply
    632,582.56x = 872,877.72 × 377,879.68
  4. Step 4: Simplify right side
    632,582.56x = 329,842,753,512.73
  5. Step 5: Solve for x
    x = 329,842,753,512.73/632,582.56
  6. Step 6: Final answer
    x = 521,422.46

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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.