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Finding the Fourth Proportional to 633,699.53, 874,540.37 and 361,854.74

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Solution

The fourth proportional to 633,699.53, 874,540.37 and 361,854.74 is: 499,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,699.53 : 874,540.37 = 361,854.74 : x
  2. Step 2: Convert to fraction form
    633,699.53/874,540.37 = 361,854.74/x
  3. Step 3: Cross multiply
    633,699.53x = 874,540.37 × 361,854.74
  4. Step 4: Simplify right side
    633,699.53x = 316,456,578,582.93
  5. Step 5: Solve for x
    x = 316,456,578,582.93/633,699.53
  6. Step 6: Final answer
    x = 499,379.54

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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.