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Finding the Fourth Proportional to 323,086.79, 445,901.56 and 185,319.47

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Solution

The fourth proportional to 323,086.79, 445,901.56 and 185,319.47 is: 255,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,086.79 : 445,901.56 = 185,319.47 : x
  2. Step 2: Convert to fraction form
    323,086.79/445,901.56 = 185,319.47/x
  3. Step 3: Cross multiply
    323,086.79x = 445,901.56 × 185,319.47
  4. Step 4: Simplify right side
    323,086.79x = 82,634,241,422.83
  5. Step 5: Solve for x
    x = 82,634,241,422.83/323,086.79
  6. Step 6: Final answer
    x = 255,764.84

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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.