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Finding the Fourth Proportional to 533,377.37, 800,004.47 and 133,987.77

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Solution

The fourth proportional to 533,377.37, 800,004.47 and 133,987.77 is: 200,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,377.37 : 800,004.47 = 133,987.77 : x
  2. Step 2: Convert to fraction form
    533,377.37/800,004.47 = 133,987.77/x
  3. Step 3: Cross multiply
    533,377.37x = 800,004.47 × 133,987.77
  4. Step 4: Simplify right side
    533,377.37x = 107,190,814,255.39
  5. Step 5: Solve for x
    x = 107,190,814,255.39/533,377.37
  6. Step 6: Final answer
    x = 200,966.18

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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.