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Finding the Fourth Proportional to 666,544.20, 999,610.56 and 193,264.44

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Solution

The fourth proportional to 666,544.20, 999,610.56 and 193,264.44 is: 289,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,544.20 : 999,610.56 = 193,264.44 : x
  2. Step 2: Convert to fraction form
    666,544.20/999,610.56 = 193,264.44/x
  3. Step 3: Cross multiply
    666,544.20x = 999,610.56 × 193,264.44
  4. Step 4: Simplify right side
    666,544.20x = 193,189,175,096.49
  5. Step 5: Solve for x
    x = 193,189,175,096.49/666,544.20
  6. Step 6: Final answer
    x = 289,837.01

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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.