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Finding the Fourth Proportional to 293,644.76, 405,218.94 and 159,505.88

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Solution

The fourth proportional to 293,644.76, 405,218.94 and 159,505.88 is: 220,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,644.76 : 405,218.94 = 159,505.88 : x
  2. Step 2: Convert to fraction form
    293,644.76/405,218.94 = 159,505.88/x
  3. Step 3: Cross multiply
    293,644.76x = 405,218.94 × 159,505.88
  4. Step 4: Simplify right side
    293,644.76x = 64,634,803,617.37
  5. Step 5: Solve for x
    x = 64,634,803,617.37/293,644.76
  6. Step 6: Final answer
    x = 220,112.23

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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.