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Finding the Fourth Proportional to 437,436, 603,661.68 and 236,232

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Solution

The fourth proportional to 437,436, 603,661.68 and 236,232 is: 326,000.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,436 : 603,661.68 = 236,232 : x
  2. Step 2: Convert to fraction form
    437,436/603,661.68 = 236,232/x
  3. Step 3: Cross multiply
    437,436x = 603,661.68 × 236,232
  4. Step 4: Simplify right side
    437,436x = 142,604,205,989.76
  5. Step 5: Solve for x
    x = 142,604,205,989.76/437,436
  6. Step 6: Final answer
    x = 326,000.16

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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.