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Finding the Fourth Proportional to 203,967.48, 280,476.90 and 177,062.94

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Solution

The fourth proportional to 203,967.48, 280,476.90 and 177,062.94 is: 243,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,967.48 : 280,476.90 = 177,062.94 : x
  2. Step 2: Convert to fraction form
    203,967.48/280,476.90 = 177,062.94/x
  3. Step 3: Cross multiply
    203,967.48x = 280,476.90 × 177,062.94
  4. Step 4: Simplify right side
    203,967.48x = 49,662,064,516.09
  5. Step 5: Solve for x
    x = 49,662,064,516.09/203,967.48
  6. Step 6: Final answer
    x = 243,480.31

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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.