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Finding the Fourth Proportional to 427,970.62, 590,599.09 and 236,984.01

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Solution

The fourth proportional to 427,970.62, 590,599.09 and 236,984.01 is: 327,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,970.62 : 590,599.09 = 236,984.01 : x
  2. Step 2: Convert to fraction form
    427,970.62/590,599.09 = 236,984.01/x
  3. Step 3: Cross multiply
    427,970.62x = 590,599.09 × 236,984.01
  4. Step 4: Simplify right side
    427,970.62x = 139,962,540,650.55
  5. Step 5: Solve for x
    x = 139,962,540,650.55/427,970.62
  6. Step 6: Final answer
    x = 327,037.73

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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.