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Finding the Fourth Proportional to 366,911.40, 550,308 and 100,610.08

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Solution

The fourth proportional to 366,911.40, 550,308 and 100,610.08 is: 150,898.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,911.40 : 550,308 = 100,610.08 : x
  2. Step 2: Convert to fraction form
    366,911.40/550,308 = 100,610.08/x
  3. Step 3: Cross multiply
    366,911.40x = 550,308 × 100,610.08
  4. Step 4: Simplify right side
    366,911.40x = 55,366,531,904.64
  5. Step 5: Solve for x
    x = 55,366,531,904.64/366,911.40
  6. Step 6: Final answer
    x = 150,898.91

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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.