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Finding the Fourth Proportional to 289,027.30, 433,540.95 and 164,611.30

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Solution

The fourth proportional to 289,027.30, 433,540.95 and 164,611.30 is: 246,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,027.30 : 433,540.95 = 164,611.30 : x
  2. Step 2: Convert to fraction form
    289,027.30/433,540.95 = 164,611.30/x
  3. Step 3: Cross multiply
    289,027.30x = 433,540.95 × 164,611.30
  4. Step 4: Simplify right side
    289,027.30x = 71,365,739,382.74
  5. Step 5: Solve for x
    x = 71,365,739,382.74/289,027.30
  6. Step 6: Final answer
    x = 246,916.95

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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.