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Finding the Fourth Proportional to 622,984.80, 934,131.60 and 248,584.80

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Solution

The fourth proportional to 622,984.80, 934,131.60 and 248,584.80 is: 372,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,984.80 : 934,131.60 = 248,584.80 : x
  2. Step 2: Convert to fraction form
    622,984.80/934,131.60 = 248,584.80/x
  3. Step 3: Cross multiply
    622,984.80x = 934,131.60 × 248,584.80
  4. Step 4: Simplify right side
    622,984.80x = 232,210,916,959.68
  5. Step 5: Solve for x
    x = 232,210,916,959.68/622,984.80
  6. Step 6: Final answer
    x = 372,739.30

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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.