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Finding the Fourth Proportional to 346,500.58, 478,165.75 and 193,540.95

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Solution

The fourth proportional to 346,500.58, 478,165.75 and 193,540.95 is: 267,083.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,500.58 : 478,165.75 = 193,540.95 : x
  2. Step 2: Convert to fraction form
    346,500.58/478,165.75 = 193,540.95/x
  3. Step 3: Cross multiply
    346,500.58x = 478,165.75 × 193,540.95
  4. Step 4: Simplify right side
    346,500.58x = 92,544,653,512.46
  5. Step 5: Solve for x
    x = 92,544,653,512.46/346,500.58
  6. Step 6: Final answer
    x = 267,083.69

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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.