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Finding the Fourth Proportional to 345,561.13, 476,879.13 and 192,595.06

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Solution

The fourth proportional to 345,561.13, 476,879.13 and 192,595.06 is: 265,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,561.13 : 476,879.13 = 192,595.06 : x
  2. Step 2: Convert to fraction form
    345,561.13/476,879.13 = 192,595.06/x
  3. Step 3: Cross multiply
    345,561.13x = 476,879.13 × 192,595.06
  4. Step 4: Simplify right side
    345,561.13x = 91,844,563,462.90
  5. Step 5: Solve for x
    x = 91,844,563,462.90/345,561.13
  6. Step 6: Final answer
    x = 265,783.84

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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.