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Finding the Fourth Proportional to 352,891.69, 529,039.96 and 153,061.59

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Solution

The fourth proportional to 352,891.69, 529,039.96 and 153,061.59 is: 229,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,891.69 : 529,039.96 = 153,061.59 : x
  2. Step 2: Convert to fraction form
    352,891.69/529,039.96 = 153,061.59/x
  3. Step 3: Cross multiply
    352,891.69x = 529,039.96 × 153,061.59
  4. Step 4: Simplify right side
    352,891.69x = 80,975,697,451.14
  5. Step 5: Solve for x
    x = 80,975,697,451.14/352,891.69
  6. Step 6: Final answer
    x = 229,463.32

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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.