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Finding the Fourth Proportional to 437,512.88, 603,768.18 and 236,308.88

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Solution

The fourth proportional to 437,512.88, 603,768.18 and 236,308.88 is: 326,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,512.88 : 603,768.18 = 236,308.88 : x
  2. Step 2: Convert to fraction form
    437,512.88/603,768.18 = 236,308.88/x
  3. Step 3: Cross multiply
    437,512.88x = 603,768.18 × 236,308.88
  4. Step 4: Simplify right side
    437,512.88x = 142,675,779,376.60
  5. Step 5: Solve for x
    x = 142,675,779,376.60/437,512.88
  6. Step 6: Final answer
    x = 326,106.47

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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.