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Finding the Fourth Proportional to 633,035.78, 873,672.54 and 361,041.33

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Solution

The fourth proportional to 633,035.78, 873,672.54 and 361,041.33 is: 498,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,035.78 : 873,672.54 = 361,041.33 : x
  2. Step 2: Convert to fraction form
    633,035.78/873,672.54 = 361,041.33/x
  3. Step 3: Cross multiply
    633,035.78x = 873,672.54 × 361,041.33
  4. Step 4: Simplify right side
    633,035.78x = 315,431,894,864.90
  5. Step 5: Solve for x
    x = 315,431,894,864.90/633,035.78
  6. Step 6: Final answer
    x = 498,284.46

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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.