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Finding the Fourth Proportional to 422,575,655.88, 582,939,779.22 and 275,983,748.04

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Solution

The fourth proportional to 422,575,655.88, 582,939,779.22 and 275,983,748.04 is: 380,717,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,575,655.88 : 582,939,779.22 = 275,983,748.04 : x
  2. Step 2: Convert to fraction form
    422,575,655.88/582,939,779.22 = 275,983,748.04/x
  3. Step 3: Cross multiply
    422,575,655.88x = 582,939,779.22 × 275,983,748.04
  4. Step 4: Simplify right side
    422,575,655.88x = 160,881,905,150,745,728
  5. Step 5: Solve for x
    x = 160,881,905,150,745,728/422,575,655.88
  6. Step 6: Final answer
    x = 380,717,400.33

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