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Finding the Fourth Proportional to 232,809.60, 349,732.80 and 223,363.20

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Solution

The fourth proportional to 232,809.60, 349,732.80 and 223,363.20 is: 335,542.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,809.60 : 349,732.80 = 223,363.20 : x
  2. Step 2: Convert to fraction form
    232,809.60/349,732.80 = 223,363.20/x
  3. Step 3: Cross multiply
    232,809.60x = 349,732.80 × 223,363.20
  4. Step 4: Simplify right side
    232,809.60x = 78,117,437,352.96
  5. Step 5: Solve for x
    x = 78,117,437,352.96/232,809.60
  6. Step 6: Final answer
    x = 335,542.17

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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.