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Finding the Fourth Proportional to 290,873,352.40, 436,310,028.60 and 182,034,235.60

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Solution

The fourth proportional to 290,873,352.40, 436,310,028.60 and 182,034,235.60 is: 273,051,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,873,352.40 : 436,310,028.60 = 182,034,235.60 : x
  2. Step 2: Convert to fraction form
    290,873,352.40/436,310,028.60 = 182,034,235.60/x
  3. Step 3: Cross multiply
    290,873,352.40x = 436,310,028.60 × 182,034,235.60
  4. Step 4: Simplify right side
    290,873,352.40x = 79,423,362,540,815,136
  5. Step 5: Solve for x
    x = 79,423,362,540,815,136/290,873,352.40
  6. Step 6: Final answer
    x = 273,051,353.40

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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.