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Finding the Fourth Proportional to 290,448,002.40, 435,672,003.60 and 182,952,578.40

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Solution

The fourth proportional to 290,448,002.40, 435,672,003.60 and 182,952,578.40 is: 274,428,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,448,002.40 : 435,672,003.60 = 182,952,578.40 : x
  2. Step 2: Convert to fraction form
    290,448,002.40/435,672,003.60 = 182,952,578.40/x
  3. Step 3: Cross multiply
    290,448,002.40x = 435,672,003.60 × 182,952,578.40
  4. Step 4: Simplify right side
    290,448,002.40x = 79,707,316,395,314,096
  5. Step 5: Solve for x
    x = 79,707,316,395,314,096/290,448,002.40
  6. Step 6: Final answer
    x = 274,428,867.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.