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Finding the Fourth Proportional to 325,640.94, 487,620.19 and 224,750.40

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Solution

The fourth proportional to 325,640.94, 487,620.19 and 224,750.40 is: 336,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,640.94 : 487,620.19 = 224,750.40 : x
  2. Step 2: Convert to fraction form
    325,640.94/487,620.19 = 224,750.40/x
  3. Step 3: Cross multiply
    325,640.94x = 487,620.19 × 224,750.40
  4. Step 4: Simplify right side
    325,640.94x = 109,592,832,750.58
  5. Step 5: Solve for x
    x = 109,592,832,750.58/325,640.94
  6. Step 6: Final answer
    x = 336,545.01

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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.