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Finding the Fourth Proportional to 270,597.60, 373,419.10 and 149,738.82

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Solution

The fourth proportional to 270,597.60, 373,419.10 and 149,738.82 is: 206,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,597.60 : 373,419.10 = 149,738.82 : x
  2. Step 2: Convert to fraction form
    270,597.60/373,419.10 = 149,738.82/x
  3. Step 3: Cross multiply
    270,597.60x = 373,419.10 × 149,738.82
  4. Step 4: Simplify right side
    270,597.60x = 55,915,333,532.37
  5. Step 5: Solve for x
    x = 55,915,333,532.37/270,597.60
  6. Step 6: Final answer
    x = 206,636.47

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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.