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Finding the Fourth Proportional to 656,330.40, 982,940.40 and 444,823.20

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Solution

The fourth proportional to 656,330.40, 982,940.40 and 444,823.20 is: 666,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,330.40 : 982,940.40 = 444,823.20 : x
  2. Step 2: Convert to fraction form
    656,330.40/982,940.40 = 444,823.20/x
  3. Step 3: Cross multiply
    656,330.40x = 982,940.40 × 444,823.20
  4. Step 4: Simplify right side
    656,330.40x = 437,234,694,137.28
  5. Step 5: Solve for x
    x = 437,234,694,137.28/656,330.40
  6. Step 6: Final answer
    x = 666,180.77

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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.