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Finding the Fourth Proportional to 293,561.28, 405,116.64 and 159,425.28

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Solution

The fourth proportional to 293,561.28, 405,116.64 and 159,425.28 is: 220,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,561.28 : 405,116.64 = 159,425.28 : x
  2. Step 2: Convert to fraction form
    293,561.28/405,116.64 = 159,425.28/x
  3. Step 3: Cross multiply
    293,561.28x = 405,116.64 × 159,425.28
  4. Step 4: Simplify right side
    293,561.28x = 64,585,833,764.66
  5. Step 5: Solve for x
    x = 64,585,833,764.66/293,561.28
  6. Step 6: Final answer
    x = 220,008.01

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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.