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Finding the Fourth Proportional to 346,449.92, 478,097.28 and 195,553.28

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Solution

The fourth proportional to 346,449.92, 478,097.28 and 195,553.28 is: 269,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,449.92 : 478,097.28 = 195,553.28 : x
  2. Step 2: Convert to fraction form
    346,449.92/478,097.28 = 195,553.28/x
  3. Step 3: Cross multiply
    346,449.92x = 478,097.28 × 195,553.28
  4. Step 4: Simplify right side
    346,449.92x = 93,493,491,263.08
  5. Step 5: Solve for x
    x = 93,493,491,263.08/346,449.92
  6. Step 6: Final answer
    x = 269,861.49

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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.