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Finding the Fourth Proportional to 375,199.02, 517,770.70 and 203,113.12

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Solution

The fourth proportional to 375,199.02, 517,770.70 and 203,113.12 is: 280,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,199.02 : 517,770.70 = 203,113.12 : x
  2. Step 2: Convert to fraction form
    375,199.02/517,770.70 = 203,113.12/x
  3. Step 3: Cross multiply
    375,199.02x = 517,770.70 × 203,113.12
  4. Step 4: Simplify right side
    375,199.02x = 105,166,022,321.58
  5. Step 5: Solve for x
    x = 105,166,022,321.58/375,199.02
  6. Step 6: Final answer
    x = 280,293.97

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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.