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Finding the Fourth Proportional to 335,846.70, 503,770.05 and 194,129.10

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Solution

The fourth proportional to 335,846.70, 503,770.05 and 194,129.10 is: 291,193.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,846.70 : 503,770.05 = 194,129.10 : x
  2. Step 2: Convert to fraction form
    335,846.70/503,770.05 = 194,129.10/x
  3. Step 3: Cross multiply
    335,846.70x = 503,770.05 × 194,129.10
  4. Step 4: Simplify right side
    335,846.70x = 97,796,426,413.46
  5. Step 5: Solve for x
    x = 97,796,426,413.46/335,846.70
  6. Step 6: Final answer
    x = 291,193.65

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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.