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Finding the Fourth Proportional to 306,264.37, 422,611 and 183,750.25

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Solution

The fourth proportional to 306,264.37, 422,611 and 183,750.25 is: 253,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,264.37 : 422,611 = 183,750.25 : x
  2. Step 2: Convert to fraction form
    306,264.37/422,611 = 183,750.25/x
  3. Step 3: Cross multiply
    306,264.37x = 422,611 × 183,750.25
  4. Step 4: Simplify right side
    306,264.37x = 77,654,876,902.75
  5. Step 5: Solve for x
    x = 77,654,876,902.75/306,264.37
  6. Step 6: Final answer
    x = 253,555.05

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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.