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Finding the Fourth Proportional to 303,346.83, 454,665.99 and 228,225.66

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Solution

The fourth proportional to 303,346.83, 454,665.99 and 228,225.66 is: 342,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,346.83 : 454,665.99 = 228,225.66 : x
  2. Step 2: Convert to fraction form
    303,346.83/454,665.99 = 228,225.66/x
  3. Step 3: Cross multiply
    303,346.83x = 454,665.99 × 228,225.66
  4. Step 4: Simplify right side
    303,346.83x = 103,766,445,647.30
  5. Step 5: Solve for x
    x = 103,766,445,647.30/303,346.83
  6. Step 6: Final answer
    x = 342,071.96

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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.