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Finding the Fourth Proportional to 346,608.32, 478,310.67 and 193,647.66

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Solution

The fourth proportional to 346,608.32, 478,310.67 and 193,647.66 is: 267,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,608.32 : 478,310.67 = 193,647.66 : x
  2. Step 2: Convert to fraction form
    346,608.32/478,310.67 = 193,647.66/x
  3. Step 3: Cross multiply
    346,608.32x = 478,310.67 × 193,647.66
  4. Step 4: Simplify right side
    346,608.32x = 92,623,741,998.53
  5. Step 5: Solve for x
    x = 92,623,741,998.53/346,608.32
  6. Step 6: Final answer
    x = 267,228.85

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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.