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Finding the Fourth Proportional to 245,669.76, 338,904 and 150,010.92

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Solution

The fourth proportional to 245,669.76, 338,904 and 150,010.92 is: 206,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,669.76 : 338,904 = 150,010.92 : x
  2. Step 2: Convert to fraction form
    245,669.76/338,904 = 150,010.92/x
  3. Step 3: Cross multiply
    245,669.76x = 338,904 × 150,010.92
  4. Step 4: Simplify right side
    245,669.76x = 50,839,300,831.68
  5. Step 5: Solve for x
    x = 50,839,300,831.68/245,669.76
  6. Step 6: Final answer
    x = 206,941.63

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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.