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Finding the Fourth Proportional to 274,220.10, 411,330.15 and 274,220.10

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Solution

The fourth proportional to 274,220.10, 411,330.15 and 274,220.10 is: 411,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,220.10 : 411,330.15 = 274,220.10 : x
  2. Step 2: Convert to fraction form
    274,220.10/411,330.15 = 274,220.10/x
  3. Step 3: Cross multiply
    274,220.10x = 411,330.15 × 274,220.10
  4. Step 4: Simplify right side
    274,220.10x = 112,794,994,866.02
  5. Step 5: Solve for x
    x = 112,794,994,866.02/274,220.10
  6. Step 6: Final answer
    x = 411,330.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.