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Finding the Fourth Proportional to 366,984.90, 550,477.35 and 247,410.68

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Solution

The fourth proportional to 366,984.90, 550,477.35 and 247,410.68 is: 371,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,984.90 : 550,477.35 = 247,410.68 : x
  2. Step 2: Convert to fraction form
    366,984.90/550,477.35 = 247,410.68/x
  3. Step 3: Cross multiply
    366,984.90x = 550,477.35 × 247,410.68
  4. Step 4: Simplify right side
    366,984.90x = 136,193,972,735.71
  5. Step 5: Solve for x
    x = 136,193,972,735.71/366,984.90
  6. Step 6: Final answer
    x = 371,116.01

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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.