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Finding the Fourth Proportional to 322,669.80, 484,004.70 and 310,422.60

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Solution

The fourth proportional to 322,669.80, 484,004.70 and 310,422.60 is: 465,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,669.80 : 484,004.70 = 310,422.60 : x
  2. Step 2: Convert to fraction form
    322,669.80/484,004.70 = 310,422.60/x
  3. Step 3: Cross multiply
    322,669.80x = 484,004.70 × 310,422.60
  4. Step 4: Simplify right side
    322,669.80x = 150,245,997,386.22
  5. Step 5: Solve for x
    x = 150,245,997,386.22/322,669.80
  6. Step 6: Final answer
    x = 465,633.90

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1.5x scale

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.