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Finding the Fourth Proportional to 274,373.56, 378,637.22 and 153,514.84

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Solution

The fourth proportional to 274,373.56, 378,637.22 and 153,514.84 is: 211,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,373.56 : 378,637.22 = 153,514.84 : x
  2. Step 2: Convert to fraction form
    274,373.56/378,637.22 = 153,514.84/x
  3. Step 3: Cross multiply
    274,373.56x = 378,637.22 × 153,514.84
  4. Step 4: Simplify right side
    274,373.56x = 58,126,432,246.34
  5. Step 5: Solve for x
    x = 58,126,432,246.34/274,373.56
  6. Step 6: Final answer
    x = 211,851.43

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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.