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Finding the Fourth Proportional to 289,656.34, 399,650.70 and 174,844.24

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Solution

The fourth proportional to 289,656.34, 399,650.70 and 174,844.24 is: 241,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,656.34 : 399,650.70 = 174,844.24 : x
  2. Step 2: Convert to fraction form
    289,656.34/399,650.70 = 174,844.24/x
  3. Step 3: Cross multiply
    289,656.34x = 399,650.70 × 174,844.24
  4. Step 4: Simplify right side
    289,656.34x = 69,876,622,906.97
  5. Step 5: Solve for x
    x = 69,876,622,906.97/289,656.34
  6. Step 6: Final answer
    x = 241,239.75

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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.