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Finding the Fourth Proportional to 245,588.14, 338,917.13 and 150,147.46

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Solution

The fourth proportional to 245,588.14, 338,917.13 and 150,147.46 is: 207,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,588.14 : 338,917.13 = 150,147.46 : x
  2. Step 2: Convert to fraction form
    245,588.14/338,917.13 = 150,147.46/x
  3. Step 3: Cross multiply
    245,588.14x = 338,917.13 × 150,147.46
  4. Step 4: Simplify right side
    245,588.14x = 50,887,546,219.99
  5. Step 5: Solve for x
    x = 50,887,546,219.99/245,588.14
  6. Step 6: Final answer
    x = 207,206.86

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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.