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Finding the Fourth Proportional to 437,159.82, 603,264.33 and 243,562.98

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Solution

The fourth proportional to 437,159.82, 603,264.33 and 243,562.98 is: 336,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,159.82 : 603,264.33 = 243,562.98 : x
  2. Step 2: Convert to fraction form
    437,159.82/603,264.33 = 243,562.98/x
  3. Step 3: Cross multiply
    437,159.82x = 603,264.33 × 243,562.98
  4. Step 4: Simplify right side
    437,159.82x = 146,932,857,942.50
  5. Step 5: Solve for x
    x = 146,932,857,942.50/437,159.82
  6. Step 6: Final answer
    x = 336,107.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.