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Finding the Fourth Proportional to 437,400, 603,612 and 236,196

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Solution

The fourth proportional to 437,400, 603,612 and 236,196 is: 325,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,400 : 603,612 = 236,196 : x
  2. Step 2: Convert to fraction form
    437,400/603,612 = 236,196/x
  3. Step 3: Cross multiply
    437,400x = 603,612 × 236,196
  4. Step 4: Simplify right side
    437,400x = 142,570,739,952
  5. Step 5: Solve for x
    x = 142,570,739,952/437,400
  6. Step 6: Final answer
    x = 325,950.48

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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.