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Finding the Fourth Proportional to 466,622.30, 699,415.05 and 256,411.10

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Solution

The fourth proportional to 466,622.30, 699,415.05 and 256,411.10 is: 384,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,622.30 : 699,415.05 = 256,411.10 : x
  2. Step 2: Convert to fraction form
    466,622.30/699,415.05 = 256,411.10/x
  3. Step 3: Cross multiply
    466,622.30x = 699,415.05 × 256,411.10
  4. Step 4: Simplify right side
    466,622.30x = 179,337,782,327.06
  5. Step 5: Solve for x
    x = 179,337,782,327.06/466,622.30
  6. Step 6: Final answer
    x = 384,331.79

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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.