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Finding the Fourth Proportional to 352,387, 486,697.71 and 232,066.09

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Solution

The fourth proportional to 352,387, 486,697.71 and 232,066.09 is: 320,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,387 : 486,697.71 = 232,066.09 : x
  2. Step 2: Convert to fraction form
    352,387/486,697.71 = 232,066.09/x
  3. Step 3: Cross multiply
    352,387x = 486,697.71 × 232,066.09
  4. Step 4: Simplify right side
    352,387x = 112,946,034,571.65
  5. Step 5: Solve for x
    x = 112,946,034,571.65/352,387
  6. Step 6: Final answer
    x = 320,517.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.