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Finding the Fourth Proportional to 450,709.83, 621,980.09 and 246,762.36

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Solution

The fourth proportional to 450,709.83, 621,980.09 and 246,762.36 is: 340,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,709.83 : 621,980.09 = 246,762.36 : x
  2. Step 2: Convert to fraction form
    450,709.83/621,980.09 = 246,762.36/x
  3. Step 3: Cross multiply
    450,709.83x = 621,980.09 × 246,762.36
  4. Step 4: Simplify right side
    450,709.83x = 153,481,273,647.60
  5. Step 5: Solve for x
    x = 153,481,273,647.60/450,709.83
  6. Step 6: Final answer
    x = 340,532.34

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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.