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Finding the Fourth Proportional to 496,060.86, 744,074.66 and 215,578.10

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Solution

The fourth proportional to 496,060.86, 744,074.66 and 215,578.10 is: 323,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,060.86 : 744,074.66 = 215,578.10 : x
  2. Step 2: Convert to fraction form
    496,060.86/744,074.66 = 215,578.10/x
  3. Step 3: Cross multiply
    496,060.86x = 744,074.66 × 215,578.10
  4. Step 4: Simplify right side
    496,060.86x = 160,406,201,460.95
  5. Step 5: Solve for x
    x = 160,406,201,460.95/496,060.86
  6. Step 6: Final answer
    x = 323,359.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.