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Finding the Fourth Proportional to 439,520.04, 606,549.60 and 248,562

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Solution

The fourth proportional to 439,520.04, 606,549.60 and 248,562 is: 343,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,520.04 : 606,549.60 = 248,562 : x
  2. Step 2: Convert to fraction form
    439,520.04/606,549.60 = 248,562/x
  3. Step 3: Cross multiply
    439,520.04x = 606,549.60 × 248,562
  4. Step 4: Simplify right side
    439,520.04x = 150,765,181,675.20
  5. Step 5: Solve for x
    x = 150,765,181,675.20/439,520.04
  6. Step 6: Final answer
    x = 343,022.32

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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.