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Finding the Fourth Proportional to 437,675.28, 603,992 and 236,471.28

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Solution

The fourth proportional to 437,675.28, 603,992 and 236,471.28 is: 326,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,675.28 : 603,992 = 236,471.28 : x
  2. Step 2: Convert to fraction form
    437,675.28/603,992 = 236,471.28/x
  3. Step 3: Cross multiply
    437,675.28x = 603,992 × 236,471.28
  4. Step 4: Simplify right side
    437,675.28x = 142,826,761,349.76
  5. Step 5: Solve for x
    x = 142,826,761,349.76/437,675.28
  6. Step 6: Final answer
    x = 326,330.43

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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.