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Finding the Fourth Proportional to 274,330.90, 384,325.70 and 274,330.90

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Solution

The fourth proportional to 274,330.90, 384,325.70 and 274,330.90 is: 384,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,330.90 : 384,325.70 = 274,330.90 : x
  2. Step 2: Convert to fraction form
    274,330.90/384,325.70 = 274,330.90/x
  3. Step 3: Cross multiply
    274,330.90x = 384,325.70 × 274,330.90
  4. Step 4: Simplify right side
    274,330.90x = 105,432,415,174.13
  5. Step 5: Solve for x
    x = 105,432,415,174.13/274,330.90
  6. Step 6: Final answer
    x = 384,325.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.