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Finding the Fourth Proportional to 472,826.80, 709,240.20 and 223,994.80

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Solution

The fourth proportional to 472,826.80, 709,240.20 and 223,994.80 is: 335,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,826.80 : 709,240.20 = 223,994.80 : x
  2. Step 2: Convert to fraction form
    472,826.80/709,240.20 = 223,994.80/x
  3. Step 3: Cross multiply
    472,826.80x = 709,240.20 × 223,994.80
  4. Step 4: Simplify right side
    472,826.80x = 158,866,116,750.96
  5. Step 5: Solve for x
    x = 158,866,116,750.96/472,826.80
  6. Step 6: Final answer
    x = 335,992.20

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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.