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Finding the Fourth Proportional to 529,400.70, 794,101.05 and 494,408.70

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Solution

The fourth proportional to 529,400.70, 794,101.05 and 494,408.70 is: 741,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,400.70 : 794,101.05 = 494,408.70 : x
  2. Step 2: Convert to fraction form
    529,400.70/794,101.05 = 494,408.70/x
  3. Step 3: Cross multiply
    529,400.70x = 794,101.05 × 494,408.70
  4. Step 4: Simplify right side
    529,400.70x = 392,610,467,799.14
  5. Step 5: Solve for x
    x = 392,610,467,799.14/529,400.70
  6. Step 6: Final answer
    x = 741,613.05

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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.