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Finding the Fourth Proportional to 609,095.12, 914,056.12 and 215,111.12

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Solution

The fourth proportional to 609,095.12, 914,056.12 and 215,111.12 is: 322,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,095.12 : 914,056.12 = 215,111.12 : x
  2. Step 2: Convert to fraction form
    609,095.12/914,056.12 = 215,111.12/x
  3. Step 3: Cross multiply
    609,095.12x = 914,056.12 × 215,111.12
  4. Step 4: Simplify right side
    609,095.12x = 196,623,635,716.05
  5. Step 5: Solve for x
    x = 196,623,635,716.05/609,095.12
  6. Step 6: Final answer
    x = 322,812.69

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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.