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Finding the Fourth Proportional to 475,034.82, 655,385.49 and 270,939.12

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Solution

The fourth proportional to 475,034.82, 655,385.49 and 270,939.12 is: 373,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,034.82 : 655,385.49 = 270,939.12 : x
  2. Step 2: Convert to fraction form
    475,034.82/655,385.49 = 270,939.12/x
  3. Step 3: Cross multiply
    475,034.82x = 655,385.49 × 270,939.12
  4. Step 4: Simplify right side
    475,034.82x = 177,569,567,921.37
  5. Step 5: Solve for x
    x = 177,569,567,921.37/475,034.82
  6. Step 6: Final answer
    x = 373,803.27

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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.