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Finding the Fourth Proportional to 308,595.51, 462,889.92 and 234,172.71

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Solution

The fourth proportional to 308,595.51, 462,889.92 and 234,172.71 is: 351,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,595.51 : 462,889.92 = 234,172.71 : x
  2. Step 2: Convert to fraction form
    308,595.51/462,889.92 = 234,172.71/x
  3. Step 3: Cross multiply
    308,595.51x = 462,889.92 × 234,172.71
  4. Step 4: Simplify right side
    308,595.51x = 108,396,186,998.08
  5. Step 5: Solve for x
    x = 108,396,186,998.08/308,595.51
  6. Step 6: Final answer
    x = 351,256.53

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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.