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Finding the Fourth Proportional to 479,903.85, 719,410.82 and 180,582.80

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Solution

The fourth proportional to 479,903.85, 719,410.82 and 180,582.80 is: 270,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,903.85 : 719,410.82 = 180,582.80 : x
  2. Step 2: Convert to fraction form
    479,903.85/719,410.82 = 180,582.80/x
  3. Step 3: Cross multiply
    479,903.85x = 719,410.82 × 180,582.80
  4. Step 4: Simplify right side
    479,903.85x = 129,913,215,725.93
  5. Step 5: Solve for x
    x = 129,913,215,725.93/479,903.85
  6. Step 6: Final answer
    x = 270,706.76

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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.