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Finding the Fourth Proportional to 479,282.57, 718,377.19 and 299,450.69

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Solution

The fourth proportional to 479,282.57, 718,377.19 and 299,450.69 is: 448,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,282.57 : 718,377.19 = 299,450.69 : x
  2. Step 2: Convert to fraction form
    479,282.57/718,377.19 = 299,450.69/x
  3. Step 3: Cross multiply
    479,282.57x = 718,377.19 × 299,450.69
  4. Step 4: Simplify right side
    479,282.57x = 215,118,545,225.76
  5. Step 5: Solve for x
    x = 215,118,545,225.76/479,282.57
  6. Step 6: Final answer
    x = 448,834.48

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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.