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Finding the Fourth Proportional to 235,622.70, 353,437.70 and 223,659.81

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Solution

The fourth proportional to 235,622.70, 353,437.70 and 223,659.81 is: 335,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,622.70 : 353,437.70 = 223,659.81 : x
  2. Step 2: Convert to fraction form
    235,622.70/353,437.70 = 223,659.81/x
  3. Step 3: Cross multiply
    235,622.70x = 353,437.70 × 223,659.81
  4. Step 4: Simplify right side
    235,622.70x = 79,049,805,943.35
  5. Step 5: Solve for x
    x = 79,049,805,943.35/235,622.70
  6. Step 6: Final answer
    x = 335,493.17

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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.