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Finding the Fourth Proportional to 444,607.54, 666,940.94 and 156,384.56

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Solution

The fourth proportional to 444,607.54, 666,940.94 and 156,384.56 is: 234,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,607.54 : 666,940.94 = 156,384.56 : x
  2. Step 2: Convert to fraction form
    444,607.54/666,940.94 = 156,384.56/x
  3. Step 3: Cross multiply
    444,607.54x = 666,940.94 × 156,384.56
  4. Step 4: Simplify right side
    444,607.54x = 104,299,265,447.89
  5. Step 5: Solve for x
    x = 104,299,265,447.89/444,607.54
  6. Step 6: Final answer
    x = 234,587.26

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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.