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Finding the Fourth Proportional to 350,633.46, 483,874.32 and 189,488.46

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Solution

The fourth proportional to 350,633.46, 483,874.32 and 189,488.46 is: 261,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,633.46 : 483,874.32 = 189,488.46 : x
  2. Step 2: Convert to fraction form
    350,633.46/483,874.32 = 189,488.46/x
  3. Step 3: Cross multiply
    350,633.46x = 483,874.32 × 189,488.46
  4. Step 4: Simplify right side
    350,633.46x = 91,688,599,730.35
  5. Step 5: Solve for x
    x = 91,688,599,730.35/350,633.46
  6. Step 6: Final answer
    x = 261,494.15

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1.5x scale

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.