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Finding the Fourth Proportional to 462,501.27, 693,891.63 and 219,528.81

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Solution

The fourth proportional to 462,501.27, 693,891.63 and 219,528.81 is: 329,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,501.27 : 693,891.63 = 219,528.81 : x
  2. Step 2: Convert to fraction form
    462,501.27/693,891.63 = 219,528.81/x
  3. Step 3: Cross multiply
    462,501.27x = 693,891.63 × 219,528.81
  4. Step 4: Simplify right side
    462,501.27x = 152,329,203,802.86
  5. Step 5: Solve for x
    x = 152,329,203,802.86/462,501.27
  6. Step 6: Final answer
    x = 329,359.54

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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.