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Finding the Fourth Proportional to 408,671.58, 563,922.63 and 227,354.70

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Solution

The fourth proportional to 408,671.58, 563,922.63 and 227,354.70 is: 313,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,671.58 : 563,922.63 = 227,354.70 : x
  2. Step 2: Convert to fraction form
    408,671.58/563,922.63 = 227,354.70/x
  3. Step 3: Cross multiply
    408,671.58x = 563,922.63 × 227,354.70
  4. Step 4: Simplify right side
    408,671.58x = 128,210,460,366.86
  5. Step 5: Solve for x
    x = 128,210,460,366.86/408,671.58
  6. Step 6: Final answer
    x = 313,724.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.