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Finding the Fourth Proportional to 504,016.80, 756,370.80 and 223,735.20

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Solution

The fourth proportional to 504,016.80, 756,370.80 and 223,735.20 is: 335,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,016.80 : 756,370.80 = 223,735.20 : x
  2. Step 2: Convert to fraction form
    504,016.80/756,370.80 = 223,735.20/x
  3. Step 3: Cross multiply
    504,016.80x = 756,370.80 × 223,735.20
  4. Step 4: Simplify right side
    504,016.80x = 169,226,772,212.16
  5. Step 5: Solve for x
    x = 169,226,772,212.16/504,016.80
  6. Step 6: Final answer
    x = 335,756.21

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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.