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Finding the Fourth Proportional to 329,379.61, 493,688.13 and 151,513.33

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Solution

The fourth proportional to 329,379.61, 493,688.13 and 151,513.33 is: 227,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,379.61 : 493,688.13 = 151,513.33 : x
  2. Step 2: Convert to fraction form
    329,379.61/493,688.13 = 151,513.33/x
  3. Step 3: Cross multiply
    329,379.61x = 493,688.13 × 151,513.33
  4. Step 4: Simplify right side
    329,379.61x = 74,800,332,557.77
  5. Step 5: Solve for x
    x = 74,800,332,557.77/329,379.61
  6. Step 6: Final answer
    x = 227,094.61

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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.