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Finding the Fourth Proportional to 352,891.55, 529,039.70 and 153,061.41

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Solution

The fourth proportional to 352,891.55, 529,039.70 and 153,061.41 is: 229,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,891.55 : 529,039.70 = 153,061.41 : x
  2. Step 2: Convert to fraction form
    352,891.55/529,039.70 = 153,061.41/x
  3. Step 3: Cross multiply
    352,891.55x = 529,039.70 × 153,061.41
  4. Step 4: Simplify right side
    352,891.55x = 80,975,561,662.67
  5. Step 5: Solve for x
    x = 80,975,561,662.67/352,891.55
  6. Step 6: Final answer
    x = 229,463.03

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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.