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Finding the Fourth Proportional to 437,443, 603,671.34 and 236,239

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Solution

The fourth proportional to 437,443, 603,671.34 and 236,239 is: 326,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,443 : 603,671.34 = 236,239 : x
  2. Step 2: Convert to fraction form
    437,443/603,671.34 = 236,239/x
  3. Step 3: Cross multiply
    437,443x = 603,671.34 × 236,239
  4. Step 4: Simplify right side
    437,443x = 142,610,713,690.26
  5. Step 5: Solve for x
    x = 142,610,713,690.26/437,443
  6. Step 6: Final answer
    x = 326,009.82

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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.