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Finding the Fourth Proportional to 569,234.70, 853,852.05 and 329,758.20

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Solution

The fourth proportional to 569,234.70, 853,852.05 and 329,758.20 is: 494,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,234.70 : 853,852.05 = 329,758.20 : x
  2. Step 2: Convert to fraction form
    569,234.70/853,852.05 = 329,758.20/x
  3. Step 3: Cross multiply
    569,234.70x = 853,852.05 × 329,758.20
  4. Step 4: Simplify right side
    569,234.70x = 281,564,715,074.31
  5. Step 5: Solve for x
    x = 281,564,715,074.31/569,234.70
  6. Step 6: Final answer
    x = 494,637.30

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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.