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Finding the Fourth Proportional to 335,679.84, 503,606.40 and 125,319.36

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Solution

The fourth proportional to 335,679.84, 503,606.40 and 125,319.36 is: 188,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,679.84 : 503,606.40 = 125,319.36 : x
  2. Step 2: Convert to fraction form
    335,679.84/503,606.40 = 125,319.36/x
  3. Step 3: Cross multiply
    335,679.84x = 503,606.40 × 125,319.36
  4. Step 4: Simplify right side
    335,679.84x = 63,111,631,739.90
  5. Step 5: Solve for x
    x = 63,111,631,739.90/335,679.84
  6. Step 6: Final answer
    x = 188,011.39

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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.