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Finding the Fourth Proportional to 373,533, 515,475.56 and 203,767.80

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Solution

The fourth proportional to 373,533, 515,475.56 and 203,767.80 is: 281,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,533 : 515,475.56 = 203,767.80 : x
  2. Step 2: Convert to fraction form
    373,533/515,475.56 = 203,767.80/x
  3. Step 3: Cross multiply
    373,533x = 515,475.56 × 203,767.80
  4. Step 4: Simplify right side
    373,533x = 105,037,320,814.97
  5. Step 5: Solve for x
    x = 105,037,320,814.97/373,533
  6. Step 6: Final answer
    x = 281,199.57

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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.