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Finding the Fourth Proportional to 450,509.44, 621,694.73 and 246,556.30

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Solution

The fourth proportional to 450,509.44, 621,694.73 and 246,556.30 is: 340,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,509.44 : 621,694.73 = 246,556.30 : x
  2. Step 2: Convert to fraction form
    450,509.44/621,694.73 = 246,556.30/x
  3. Step 3: Cross multiply
    450,509.44x = 621,694.73 × 246,556.30
  4. Step 4: Simplify right side
    450,509.44x = 153,282,752,358.30
  5. Step 5: Solve for x
    x = 153,282,752,358.30/450,509.44
  6. Step 6: Final answer
    x = 340,243.15

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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.