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Finding the Fourth Proportional to 484,596.26, 726,944.10 and 185,328.55

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Solution

The fourth proportional to 484,596.26, 726,944.10 and 185,328.55 is: 278,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,596.26 : 726,944.10 = 185,328.55 : x
  2. Step 2: Convert to fraction form
    484,596.26/726,944.10 = 185,328.55/x
  3. Step 3: Cross multiply
    484,596.26x = 726,944.10 × 185,328.55
  4. Step 4: Simplify right side
    484,596.26x = 134,723,492,349.34
  5. Step 5: Solve for x
    x = 134,723,492,349.34/484,596.26
  6. Step 6: Final answer
    x = 278,011.83

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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.