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Finding the Fourth Proportional to 329,607.69, 454,845.99 and 186,370.73

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Solution

The fourth proportional to 329,607.69, 454,845.99 and 186,370.73 is: 257,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,607.69 : 454,845.99 = 186,370.73 : x
  2. Step 2: Convert to fraction form
    329,607.69/454,845.99 = 186,370.73/x
  3. Step 3: Cross multiply
    329,607.69x = 454,845.99 × 186,370.73
  4. Step 4: Simplify right side
    329,607.69x = 84,769,978,262.02
  5. Step 5: Solve for x
    x = 84,769,978,262.02/329,607.69
  6. Step 6: Final answer
    x = 257,184.47

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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.