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Finding the Fourth Proportional to 365,490.36, 548,097.30 and 155,227.32

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Solution

The fourth proportional to 365,490.36, 548,097.30 and 155,227.32 is: 232,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,490.36 : 548,097.30 = 155,227.32 : x
  2. Step 2: Convert to fraction form
    365,490.36/548,097.30 = 155,227.32/x
  3. Step 3: Cross multiply
    365,490.36x = 548,097.30 × 155,227.32
  4. Step 4: Simplify right side
    365,490.36x = 85,079,674,978.24
  5. Step 5: Solve for x
    x = 85,079,674,978.24/365,490.36
  6. Step 6: Final answer
    x = 232,782.27

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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.