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Finding the Fourth Proportional to 347,019.93, 478,884.18 and 194,056.38

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Solution

The fourth proportional to 347,019.93, 478,884.18 and 194,056.38 is: 267,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,019.93 : 478,884.18 = 194,056.38 : x
  2. Step 2: Convert to fraction form
    347,019.93/478,884.18 = 194,056.38/x
  3. Step 3: Cross multiply
    347,019.93x = 478,884.18 × 194,056.38
  4. Step 4: Simplify right side
    347,019.93x = 92,930,530,410.07
  5. Step 5: Solve for x
    x = 92,930,530,410.07/347,019.93
  6. Step 6: Final answer
    x = 267,795.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.