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Finding the Fourth Proportional to 352,458.66, 486,395.41 and 191,313.69

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Solution

The fourth proportional to 352,458.66, 486,395.41 and 191,313.69 is: 264,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,458.66 : 486,395.41 = 191,313.69 : x
  2. Step 2: Convert to fraction form
    352,458.66/486,395.41 = 191,313.69/x
  3. Step 3: Cross multiply
    352,458.66x = 486,395.41 × 191,313.69
  4. Step 4: Simplify right side
    352,458.66x = 93,054,100,686.16
  5. Step 5: Solve for x
    x = 93,054,100,686.16/352,458.66
  6. Step 6: Final answer
    x = 264,014.23

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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.