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Finding the Fourth Proportional to 348,751.86, 481,153.68 and 227,962.80

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Solution

The fourth proportional to 348,751.86, 481,153.68 and 227,962.80 is: 314,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,751.86 : 481,153.68 = 227,962.80 : x
  2. Step 2: Convert to fraction form
    348,751.86/481,153.68 = 227,962.80/x
  3. Step 3: Cross multiply
    348,751.86x = 481,153.68 × 227,962.80
  4. Step 4: Simplify right side
    348,751.86x = 109,685,140,123.10
  5. Step 5: Solve for x
    x = 109,685,140,123.10/348,751.86
  6. Step 6: Final answer
    x = 314,507.68

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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.