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Finding the Fourth Proportional to 344,600.10, 516,688.47 and 133,992.54

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Solution

The fourth proportional to 344,600.10, 516,688.47 and 133,992.54 is: 200,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,600.10 : 516,688.47 = 133,992.54 : x
  2. Step 2: Convert to fraction form
    344,600.10/516,688.47 = 133,992.54/x
  3. Step 3: Cross multiply
    344,600.10x = 516,688.47 × 133,992.54
  4. Step 4: Simplify right side
    344,600.10x = 69,232,400,484.01
  5. Step 5: Solve for x
    x = 69,232,400,484.01/344,600.10
  6. Step 6: Final answer
    x = 200,906.50

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1.5x scale

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.