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Finding the Fourth Proportional to 361,059.36, 498,289.97 and 199,929.40

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Solution

The fourth proportional to 361,059.36, 498,289.97 and 199,929.40 is: 275,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,059.36 : 498,289.97 = 199,929.40 : x
  2. Step 2: Convert to fraction form
    361,059.36/498,289.97 = 199,929.40/x
  3. Step 3: Cross multiply
    361,059.36x = 498,289.97 × 199,929.40
  4. Step 4: Simplify right side
    361,059.36x = 99,622,814,728.12
  5. Step 5: Solve for x
    x = 99,622,814,728.12/361,059.36
  6. Step 6: Final answer
    x = 275,918.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.