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Finding the Fourth Proportional to 437,512.78, 603,768.04 and 236,308.78

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Solution

The fourth proportional to 437,512.78, 603,768.04 and 236,308.78 is: 326,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,512.78 : 603,768.04 = 236,308.78 : x
  2. Step 2: Convert to fraction form
    437,512.78/603,768.04 = 236,308.78/x
  3. Step 3: Cross multiply
    437,512.78x = 603,768.04 × 236,308.78
  4. Step 4: Simplify right side
    437,512.78x = 142,675,690,428.57
  5. Step 5: Solve for x
    x = 142,675,690,428.57/437,512.78
  6. Step 6: Final answer
    x = 326,106.34

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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.