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Finding the Fourth Proportional to 640,671, 883,034.24 and 586,372.44

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Solution

The fourth proportional to 640,671, 883,034.24 and 586,372.44 is: 808,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,671 : 883,034.24 = 586,372.44 : x
  2. Step 2: Convert to fraction form
    640,671/883,034.24 = 586,372.44/x
  3. Step 3: Cross multiply
    640,671x = 883,034.24 × 586,372.44
  4. Step 4: Simplify right side
    640,671x = 517,786,941,912.35
  5. Step 5: Solve for x
    x = 517,786,941,912.35/640,671
  6. Step 6: Final answer
    x = 808,194.76

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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.