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Finding the Fourth Proportional to 225,320.80, 337,998.80 and 100,674.40

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Solution

The fourth proportional to 225,320.80, 337,998.80 and 100,674.40 is: 151,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,320.80 : 337,998.80 = 100,674.40 : x
  2. Step 2: Convert to fraction form
    225,320.80/337,998.80 = 100,674.40/x
  3. Step 3: Cross multiply
    225,320.80x = 337,998.80 × 100,674.40
  4. Step 4: Simplify right side
    225,320.80x = 34,027,826,390.72
  5. Step 5: Solve for x
    x = 34,027,826,390.72/225,320.80
  6. Step 6: Final answer
    x = 151,019.46

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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.