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Finding the Fourth Proportional to 444,333.45, 666,500.18 and 195,015.45

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Solution

The fourth proportional to 444,333.45, 666,500.18 and 195,015.45 is: 292,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,333.45 : 666,500.18 = 195,015.45 : x
  2. Step 2: Convert to fraction form
    444,333.45/666,500.18 = 195,015.45/x
  3. Step 3: Cross multiply
    444,333.45x = 666,500.18 × 195,015.45
  4. Step 4: Simplify right side
    444,333.45x = 129,977,831,552.70
  5. Step 5: Solve for x
    x = 129,977,831,552.70/444,333.45
  6. Step 6: Final answer
    x = 292,523.18

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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.