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Finding the Fourth Proportional to 322,470.90, 483,711.09 and 122,802.36

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Solution

The fourth proportional to 322,470.90, 483,711.09 and 122,802.36 is: 184,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,470.90 : 483,711.09 = 122,802.36 : x
  2. Step 2: Convert to fraction form
    322,470.90/483,711.09 = 122,802.36/x
  3. Step 3: Cross multiply
    322,470.90x = 483,711.09 × 122,802.36
  4. Step 4: Simplify right side
    322,470.90x = 59,400,863,410.17
  5. Step 5: Solve for x
    x = 59,400,863,410.17/322,470.90
  6. Step 6: Final answer
    x = 184,205.35

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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.