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Finding the Fourth Proportional to 607,879.38, 911,715.65 and 203,025.69

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Solution

The fourth proportional to 607,879.38, 911,715.65 and 203,025.69 is: 304,503.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,879.38 : 911,715.65 = 203,025.69 : x
  2. Step 2: Convert to fraction form
    607,879.38/911,715.65 = 203,025.69/x
  3. Step 3: Cross multiply
    607,879.38x = 911,715.65 × 203,025.69
  4. Step 4: Simplify right side
    607,879.38x = 185,101,698,671.27
  5. Step 5: Solve for x
    x = 185,101,698,671.27/607,879.38
  6. Step 6: Final answer
    x = 304,503.99

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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.