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Finding the Fourth Proportional to 366,965.70, 550,448.55 and 100,725.80

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Solution

The fourth proportional to 366,965.70, 550,448.55 and 100,725.80 is: 151,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.70 : 550,448.55 = 100,725.80 : x
  2. Step 2: Convert to fraction form
    366,965.70/550,448.55 = 100,725.80/x
  3. Step 3: Cross multiply
    366,965.70x = 550,448.55 × 100,725.80
  4. Step 4: Simplify right side
    366,965.70x = 55,444,367,805.35
  5. Step 5: Solve for x
    x = 55,444,367,805.35/366,965.70
  6. Step 6: Final answer
    x = 151,088.69

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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.