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Finding the Fourth Proportional to 362,019.90, 499,587.46 and 200,900.86

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Solution

The fourth proportional to 362,019.90, 499,587.46 and 200,900.86 is: 277,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,019.90 : 499,587.46 = 200,900.86 : x
  2. Step 2: Convert to fraction form
    362,019.90/499,587.46 = 200,900.86/x
  3. Step 3: Cross multiply
    362,019.90x = 499,587.46 × 200,900.86
  4. Step 4: Simplify right side
    362,019.90x = 100,367,550,359.22
  5. Step 5: Solve for x
    x = 100,367,550,359.22/362,019.90
  6. Step 6: Final answer
    x = 277,243.19

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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.