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Finding the Fourth Proportional to 503,764.20, 755,819.10 and 223,482.60

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Solution

The fourth proportional to 503,764.20, 755,819.10 and 223,482.60 is: 335,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,764.20 : 755,819.10 = 223,482.60 : x
  2. Step 2: Convert to fraction form
    503,764.20/755,819.10 = 223,482.60/x
  3. Step 3: Cross multiply
    503,764.20x = 755,819.10 × 223,482.60
  4. Step 4: Simplify right side
    503,764.20x = 168,912,417,597.66
  5. Step 5: Solve for x
    x = 168,912,417,597.66/503,764.20
  6. Step 6: Final answer
    x = 335,300.56

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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.