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Finding the Fourth Proportional to 868,973.92, 1,199,255 and 481,910.56

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Solution

The fourth proportional to 868,973.92, 1,199,255 and 481,910.56 is: 665,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,973.92 : 1,199,255 = 481,910.56 : x
  2. Step 2: Convert to fraction form
    868,973.92/1,199,255 = 481,910.56/x
  3. Step 3: Cross multiply
    868,973.92x = 1,199,255 × 481,910.56
  4. Step 4: Simplify right side
    868,973.92x = 577,933,648,632.80
  5. Step 5: Solve for x
    x = 577,933,648,632.80/868,973.92
  6. Step 6: Final answer
    x = 665,075.94

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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.