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Finding the Fourth Proportional to 611,932.92, 917,393.94 and 270,132.96

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Solution

The fourth proportional to 611,932.92, 917,393.94 and 270,132.96 is: 404,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,932.92 : 917,393.94 = 270,132.96 : x
  2. Step 2: Convert to fraction form
    611,932.92/917,393.94 = 270,132.96/x
  3. Step 3: Cross multiply
    611,932.92x = 917,393.94 × 270,132.96
  4. Step 4: Simplify right side
    611,932.92x = 247,818,340,498.26
  5. Step 5: Solve for x
    x = 247,818,340,498.26/611,932.92
  6. Step 6: Final answer
    x = 404,976.32

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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.