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Finding the Fourth Proportional to 444,373,486.20, 620,592,330.60 and 444,373,486.20

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Solution

The fourth proportional to 444,373,486.20, 620,592,330.60 and 444,373,486.20 is: 620,592,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,373,486.20 : 620,592,330.60 = 444,373,486.20 : x
  2. Step 2: Convert to fraction form
    444,373,486.20/620,592,330.60 = 444,373,486.20/x
  3. Step 3: Cross multiply
    444,373,486.20x = 620,592,330.60 × 444,373,486.20
  4. Step 4: Simplify right side
    444,373,486.20x = 275,774,777,457,704,928
  5. Step 5: Solve for x
    x = 275,774,777,457,704,928/444,373,486.20
  6. Step 6: Final answer
    x = 620,592,330.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.