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Finding the Fourth Proportional to 479,775.95, 719,912.99 and 195,674.93

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Solution

The fourth proportional to 479,775.95, 719,912.99 and 195,674.93 is: 293,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,775.95 : 719,912.99 = 195,674.93 : x
  2. Step 2: Convert to fraction form
    479,775.95/719,912.99 = 195,674.93/x
  3. Step 3: Cross multiply
    479,775.95x = 719,912.99 × 195,674.93
  4. Step 4: Simplify right side
    479,775.95x = 140,868,921,950.92
  5. Step 5: Solve for x
    x = 140,868,921,950.92/479,775.95
  6. Step 6: Final answer
    x = 293,613.97

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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.