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Finding the Fourth Proportional to 352,899.73, 529,051.95 and 153,069.59

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Solution

The fourth proportional to 352,899.73, 529,051.95 and 153,069.59 is: 229,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,899.73 : 529,051.95 = 153,069.59 : x
  2. Step 2: Convert to fraction form
    352,899.73/529,051.95 = 153,069.59/x
  3. Step 3: Cross multiply
    352,899.73x = 529,051.95 × 153,069.59
  4. Step 4: Simplify right side
    352,899.73x = 80,981,762,429.94
  5. Step 5: Solve for x
    x = 80,981,762,429.94/352,899.73
  6. Step 6: Final answer
    x = 229,475.28

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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.