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Finding the Fourth Proportional to 366,150.60, 548,156.70 and 261,174.60

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Solution

The fourth proportional to 366,150.60, 548,156.70 and 261,174.60 is: 390,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,150.60 : 548,156.70 = 261,174.60 : x
  2. Step 2: Convert to fraction form
    366,150.60/548,156.70 = 261,174.60/x
  3. Step 3: Cross multiply
    366,150.60x = 548,156.70 × 261,174.60
  4. Step 4: Simplify right side
    366,150.60x = 143,164,606,859.82
  5. Step 5: Solve for x
    x = 143,164,606,859.82/366,150.60
  6. Step 6: Final answer
    x = 390,999.24

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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.