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Finding the Fourth Proportional to 526,903.82, 790,035.36 and 206,671.94

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Solution

The fourth proportional to 526,903.82, 790,035.36 and 206,671.94 is: 309,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,903.82 : 790,035.36 = 206,671.94 : x
  2. Step 2: Convert to fraction form
    526,903.82/790,035.36 = 206,671.94/x
  3. Step 3: Cross multiply
    526,903.82x = 790,035.36 × 206,671.94
  4. Step 4: Simplify right side
    526,903.82x = 163,278,140,519.80
  5. Step 5: Solve for x
    x = 163,278,140,519.80/526,903.82
  6. Step 6: Final answer
    x = 309,882.25

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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.