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Finding the Fourth Proportional to 235,622.45, 353,437.34 and 223,659.56

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Solution

The fourth proportional to 235,622.45, 353,437.34 and 223,659.56 is: 335,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,622.45 : 353,437.34 = 223,659.56 : x
  2. Step 2: Convert to fraction form
    235,622.45/353,437.34 = 223,659.56/x
  3. Step 3: Cross multiply
    235,622.45x = 353,437.34 × 223,659.56
  4. Step 4: Simplify right side
    235,622.45x = 79,049,637,066.49
  5. Step 5: Solve for x
    x = 79,049,637,066.49/235,622.45
  6. Step 6: Final answer
    x = 335,492.81

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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.