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Finding the Fourth Proportional to 346,603.60, 478,295.85 and 193,611.43

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Solution

The fourth proportional to 346,603.60, 478,295.85 and 193,611.43 is: 267,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,603.60 : 478,295.85 = 193,611.43 : x
  2. Step 2: Convert to fraction form
    346,603.60/478,295.85 = 193,611.43/x
  3. Step 3: Cross multiply
    346,603.60x = 478,295.85 × 193,611.43
  4. Step 4: Simplify right side
    346,603.60x = 92,603,543,481.57
  5. Step 5: Solve for x
    x = 92,603,543,481.57/346,603.60
  6. Step 6: Final answer
    x = 267,174.21

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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.