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Finding the Fourth Proportional to 303,371.54, 454,688.40 and 214,650.62

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Solution

The fourth proportional to 303,371.54, 454,688.40 and 214,650.62 is: 321,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,371.54 : 454,688.40 = 214,650.62 : x
  2. Step 2: Convert to fraction form
    303,371.54/454,688.40 = 214,650.62/x
  3. Step 3: Cross multiply
    303,371.54x = 454,688.40 × 214,650.62
  4. Step 4: Simplify right side
    303,371.54x = 97,599,146,966.81
  5. Step 5: Solve for x
    x = 97,599,146,966.81/303,371.54
  6. Step 6: Final answer
    x = 321,714.91

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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.