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Finding the Fourth Proportional to 346,447.92, 478,094.52 and 195,551.28

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Solution

The fourth proportional to 346,447.92, 478,094.52 and 195,551.28 is: 269,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,447.92 : 478,094.52 = 195,551.28 : x
  2. Step 2: Convert to fraction form
    346,447.92/478,094.52 = 195,551.28/x
  3. Step 3: Cross multiply
    346,447.92x = 478,094.52 × 195,551.28
  4. Step 4: Simplify right side
    346,447.92x = 93,491,995,346.99
  5. Step 5: Solve for x
    x = 93,491,995,346.99/346,447.92
  6. Step 6: Final answer
    x = 269,858.73

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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.