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Finding the Fourth Proportional to 346,591.73, 478,249.25 and 193,611

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Solution

The fourth proportional to 346,591.73, 478,249.25 and 193,611 is: 267,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,591.73 : 478,249.25 = 193,611 : x
  2. Step 2: Convert to fraction form
    346,591.73/478,249.25 = 193,611/x
  3. Step 3: Cross multiply
    346,591.73x = 478,249.25 × 193,611
  4. Step 4: Simplify right side
    346,591.73x = 92,594,316,025.78
  5. Step 5: Solve for x
    x = 92,594,316,025.78/346,591.73
  6. Step 6: Final answer
    x = 267,156.74

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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.