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Finding the Fourth Proportional to 332,174,978.56, 458,405,317.74 and 183,493,019.80

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Solution

The fourth proportional to 332,174,978.56, 458,405,317.74 and 183,493,019.80 is: 253,222,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,174,978.56 : 458,405,317.74 = 183,493,019.80 : x
  2. Step 2: Convert to fraction form
    332,174,978.56/458,405,317.74 = 183,493,019.80/x
  3. Step 3: Cross multiply
    332,174,978.56x = 458,405,317.74 × 183,493,019.80
  4. Step 4: Simplify right side
    332,174,978.56x = 84,114,176,044,491,120
  5. Step 5: Solve for x
    x = 84,114,176,044,491,120/332,174,978.56
  6. Step 6: Final answer
    x = 253,222,492.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.