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Finding the Fourth Proportional to 253,908.19, 350,504.92 and 177,726.48

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Solution

The fourth proportional to 253,908.19, 350,504.92 and 177,726.48 is: 245,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,908.19 : 350,504.92 = 177,726.48 : x
  2. Step 2: Convert to fraction form
    253,908.19/350,504.92 = 177,726.48/x
  3. Step 3: Cross multiply
    253,908.19x = 350,504.92 × 177,726.48
  4. Step 4: Simplify right side
    253,908.19x = 62,294,005,654.28
  5. Step 5: Solve for x
    x = 62,294,005,654.28/253,908.19
  6. Step 6: Final answer
    x = 245,340.67

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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.