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Finding the Fourth Proportional to 223,424.77, 308,474.64 and 171,649.64

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Solution

The fourth proportional to 223,424.77, 308,474.64 and 171,649.64 is: 236,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,424.77 : 308,474.64 = 171,649.64 : x
  2. Step 2: Convert to fraction form
    223,424.77/308,474.64 = 171,649.64/x
  3. Step 3: Cross multiply
    223,424.77x = 308,474.64 × 171,649.64
  4. Step 4: Simplify right side
    223,424.77x = 52,949,558,504.51
  5. Step 5: Solve for x
    x = 52,949,558,504.51/223,424.77
  6. Step 6: Final answer
    x = 236,990.55

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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.