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Finding the Fourth Proportional to 483,272.20, 724,908.30 and 476,273.80

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Solution

The fourth proportional to 483,272.20, 724,908.30 and 476,273.80 is: 714,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,272.20 : 724,908.30 = 476,273.80 : x
  2. Step 2: Convert to fraction form
    483,272.20/724,908.30 = 476,273.80/x
  3. Step 3: Cross multiply
    483,272.20x = 724,908.30 × 476,273.80
  4. Step 4: Simplify right side
    483,272.20x = 345,254,830,692.54
  5. Step 5: Solve for x
    x = 345,254,830,692.54/483,272.20
  6. Step 6: Final answer
    x = 714,410.70

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Similar ratio
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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.