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Finding the Fourth Proportional to 334,663.28, 461,832.78 and 181,698.47

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Solution

The fourth proportional to 334,663.28, 461,832.78 and 181,698.47 is: 250,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,663.28 : 461,832.78 = 181,698.47 : x
  2. Step 2: Convert to fraction form
    334,663.28/461,832.78 = 181,698.47/x
  3. Step 3: Cross multiply
    334,663.28x = 461,832.78 × 181,698.47
  4. Step 4: Simplify right side
    334,663.28x = 83,914,307,049.45
  5. Step 5: Solve for x
    x = 83,914,307,049.45/334,663.28
  6. Step 6: Final answer
    x = 250,742.50

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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.