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Finding the Fourth Proportional to 475,323.39, 655,946.28 and 274,119.39

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Solution

The fourth proportional to 475,323.39, 655,946.28 and 274,119.39 is: 378,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,323.39 : 655,946.28 = 274,119.39 : x
  2. Step 2: Convert to fraction form
    475,323.39/655,946.28 = 274,119.39/x
  3. Step 3: Cross multiply
    475,323.39x = 655,946.28 × 274,119.39
  4. Step 4: Simplify right side
    475,323.39x = 179,807,594,146.37
  5. Step 5: Solve for x
    x = 179,807,594,146.37/475,323.39
  6. Step 6: Final answer
    x = 378,284.76

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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.