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Finding the Fourth Proportional to 303,345.83, 454,664.49 and 228,224.66

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Solution

The fourth proportional to 303,345.83, 454,664.49 and 228,224.66 is: 342,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345.83 : 454,664.49 = 228,224.66 : x
  2. Step 2: Convert to fraction form
    303,345.83/454,664.49 = 228,224.66/x
  3. Step 3: Cross multiply
    303,345.83x = 454,664.49 × 228,224.66
  4. Step 4: Simplify right side
    303,345.83x = 103,765,646,371.00
  5. Step 5: Solve for x
    x = 103,765,646,371.00/303,345.83
  6. Step 6: Final answer
    x = 342,070.46

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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.