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Finding the Fourth Proportional to 352,695.81, 529,724.42 and 302,208.92

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Solution

The fourth proportional to 352,695.81, 529,724.42 and 302,208.92 is: 453,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,695.81 : 529,724.42 = 302,208.92 : x
  2. Step 2: Convert to fraction form
    352,695.81/529,724.42 = 302,208.92/x
  3. Step 3: Cross multiply
    352,695.81x = 529,724.42 × 302,208.92
  4. Step 4: Simplify right side
    352,695.81x = 160,087,442,972.73
  5. Step 5: Solve for x
    x = 160,087,442,972.73/352,695.81
  6. Step 6: Final answer
    x = 453,896.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.