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Finding the Fourth Proportional to 352,891.59, 529,039.81 and 153,061.47

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Solution

The fourth proportional to 352,891.59, 529,039.81 and 153,061.47 is: 229,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,891.59 : 529,039.81 = 153,061.47 : x
  2. Step 2: Convert to fraction form
    352,891.59/529,039.81 = 153,061.47/x
  3. Step 3: Cross multiply
    352,891.59x = 529,039.81 × 153,061.47
  4. Step 4: Simplify right side
    352,891.59x = 80,975,611,198.45
  5. Step 5: Solve for x
    x = 80,975,611,198.45/352,891.59
  6. Step 6: Final answer
    x = 229,463.14

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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.