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Finding the Fourth Proportional to 468,520.44, 646,557.38 and 253,660.50

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Solution

The fourth proportional to 468,520.44, 646,557.38 and 253,660.50 is: 350,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,520.44 : 646,557.38 = 253,660.50 : x
  2. Step 2: Convert to fraction form
    468,520.44/646,557.38 = 253,660.50/x
  3. Step 3: Cross multiply
    468,520.44x = 646,557.38 × 253,660.50
  4. Step 4: Simplify right side
    468,520.44x = 164,006,068,289.49
  5. Step 5: Solve for x
    x = 164,006,068,289.49/468,520.44
  6. Step 6: Final answer
    x = 350,051.04

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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.