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Finding the Fourth Proportional to 310,906.08, 429,040.62 and 174,947.76

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Solution

The fourth proportional to 310,906.08, 429,040.62 and 174,947.76 is: 241,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,906.08 : 429,040.62 = 174,947.76 : x
  2. Step 2: Convert to fraction form
    310,906.08/429,040.62 = 174,947.76/x
  3. Step 3: Cross multiply
    310,906.08x = 429,040.62 × 174,947.76
  4. Step 4: Simplify right side
    310,906.08x = 75,059,695,418.01
  5. Step 5: Solve for x
    x = 75,059,695,418.01/310,906.08
  6. Step 6: Final answer
    x = 241,422.41

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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.