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Finding the Fourth Proportional to 363,777.90, 542,821.82 and 325,952.65

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Solution

The fourth proportional to 363,777.90, 542,821.82 and 325,952.65 is: 486,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,777.90 : 542,821.82 = 325,952.65 : x
  2. Step 2: Convert to fraction form
    363,777.90/542,821.82 = 325,952.65/x
  3. Step 3: Cross multiply
    363,777.90x = 542,821.82 × 325,952.65
  4. Step 4: Simplify right side
    363,777.90x = 176,934,210,706.82
  5. Step 5: Solve for x
    x = 176,934,210,706.82/363,777.90
  6. Step 6: Final answer
    x = 486,379.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.