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Finding the Fourth Proportional to 437,488.56, 603,734.16 and 236,284.56

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Solution

The fourth proportional to 437,488.56, 603,734.16 and 236,284.56 is: 326,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,488.56 : 603,734.16 = 236,284.56 : x
  2. Step 2: Convert to fraction form
    437,488.56/603,734.16 = 236,284.56/x
  3. Step 3: Cross multiply
    437,488.56x = 603,734.16 × 236,284.56
  4. Step 4: Simplify right side
    437,488.56x = 142,653,060,352.57
  5. Step 5: Solve for x
    x = 142,653,060,352.57/437,488.56
  6. Step 6: Final answer
    x = 326,072.66

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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.