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Finding the Fourth Proportional to 309,611.24, 464,623.98 and 112,619.24

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Solution

The fourth proportional to 309,611.24, 464,623.98 and 112,619.24 is: 169,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,611.24 : 464,623.98 = 112,619.24 : x
  2. Step 2: Convert to fraction form
    309,611.24/464,623.98 = 112,619.24/x
  3. Step 3: Cross multiply
    309,611.24x = 464,623.98 × 112,619.24
  4. Step 4: Simplify right side
    309,611.24x = 52,325,599,513.38
  5. Step 5: Solve for x
    x = 52,325,599,513.38/309,611.24
  6. Step 6: Final answer
    x = 169,004.20

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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.