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Finding the Fourth Proportional to 293,181.76, 439,028.32 and 245,671.90

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Solution

The fourth proportional to 293,181.76, 439,028.32 and 245,671.90 is: 367,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,181.76 : 439,028.32 = 245,671.90 : x
  2. Step 2: Convert to fraction form
    293,181.76/439,028.32 = 245,671.90/x
  3. Step 3: Cross multiply
    293,181.76x = 439,028.32 × 245,671.90
  4. Step 4: Simplify right side
    293,181.76x = 107,856,921,528.21
  5. Step 5: Solve for x
    x = 107,856,921,528.21/293,181.76
  6. Step 6: Final answer
    x = 367,884.15

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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.