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Finding the Fourth Proportional to 580,635.92, 870,474.37 and 256,193.03

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Solution

The fourth proportional to 580,635.92, 870,474.37 and 256,193.03 is: 384,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,635.92 : 870,474.37 = 256,193.03 : x
  2. Step 2: Convert to fraction form
    580,635.92/870,474.37 = 256,193.03/x
  3. Step 3: Cross multiply
    580,635.92x = 870,474.37 × 256,193.03
  4. Step 4: Simplify right side
    580,635.92x = 223,009,466,387.64
  5. Step 5: Solve for x
    x = 223,009,466,387.64/580,635.92
  6. Step 6: Final answer
    x = 384,077.97

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1.5x scale

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.