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Finding the Fourth Proportional to 437,609.70, 603,900.45 and 236,405.70

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Solution

The fourth proportional to 437,609.70, 603,900.45 and 236,405.70 is: 326,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,609.70 : 603,900.45 = 236,405.70 : x
  2. Step 2: Convert to fraction form
    437,609.70/603,900.45 = 236,405.70/x
  3. Step 3: Cross multiply
    437,609.70x = 603,900.45 × 236,405.70
  4. Step 4: Simplify right side
    437,609.70x = 142,765,508,612.57
  5. Step 5: Solve for x
    x = 142,765,508,612.57/437,609.70
  6. Step 6: Final answer
    x = 326,239.36

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1.5x scale

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.