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Finding the Fourth Proportional to 352,800.26, 486,864.78 and 191,655.32

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Solution

The fourth proportional to 352,800.26, 486,864.78 and 191,655.32 is: 264,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,800.26 : 486,864.78 = 191,655.32 : x
  2. Step 2: Convert to fraction form
    352,800.26/486,864.78 = 191,655.32/x
  3. Step 3: Cross multiply
    352,800.26x = 486,864.78 × 191,655.32
  4. Step 4: Simplify right side
    352,800.26x = 93,310,222,054.60
  5. Step 5: Solve for x
    x = 93,310,222,054.60/352,800.26
  6. Step 6: Final answer
    x = 264,484.56

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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.