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Finding the Fourth Proportional to 446,298.19, 669,560.56 and 206,585.00

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Solution

The fourth proportional to 446,298.19, 669,560.56 and 206,585.00 is: 309,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,298.19 : 669,560.56 = 206,585.00 : x
  2. Step 2: Convert to fraction form
    446,298.19/669,560.56 = 206,585.00/x
  3. Step 3: Cross multiply
    446,298.19x = 669,560.56 × 206,585.00
  4. Step 4: Simplify right side
    446,298.19x = 138,321,169,478.44
  5. Step 5: Solve for x
    x = 138,321,169,478.44/446,298.19
  6. Step 6: Final answer
    x = 309,929.94

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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.