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Finding the Fourth Proportional to 572,728.80, 859,093.20 and 332,596.20

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Solution

The fourth proportional to 572,728.80, 859,093.20 and 332,596.20 is: 498,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,728.80 : 859,093.20 = 332,596.20 : x
  2. Step 2: Convert to fraction form
    572,728.80/859,093.20 = 332,596.20/x
  3. Step 3: Cross multiply
    572,728.80x = 859,093.20 × 332,596.20
  4. Step 4: Simplify right side
    572,728.80x = 285,731,133,765.84
  5. Step 5: Solve for x
    x = 285,731,133,765.84/572,728.80
  6. Step 6: Final answer
    x = 498,894.30

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Double scale
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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.