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Finding the Fourth Proportional to 535,773.15, 803,690.51 and 194,290.92

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Solution

The fourth proportional to 535,773.15, 803,690.51 and 194,290.92 is: 291,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,773.15 : 803,690.51 = 194,290.92 : x
  2. Step 2: Convert to fraction form
    535,773.15/803,690.51 = 194,290.92/x
  3. Step 3: Cross multiply
    535,773.15x = 803,690.51 × 194,290.92
  4. Step 4: Simplify right side
    535,773.15x = 156,149,767,611.72
  5. Step 5: Solve for x
    x = 156,149,767,611.72/535,773.15
  6. Step 6: Final answer
    x = 291,447.54

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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.