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Finding the Fourth Proportional to 5,297,021.44, 7,945,605.44 and 1,510,503.84

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Solution

The fourth proportional to 5,297,021.44, 7,945,605.44 and 1,510,503.84 is: 2,265,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,021.44 : 7,945,605.44 = 1,510,503.84 : x
  2. Step 2: Convert to fraction form
    5,297,021.44/7,945,605.44 = 1,510,503.84/x
  3. Step 3: Cross multiply
    5,297,021.44x = 7,945,605.44 × 1,510,503.84
  4. Step 4: Simplify right side
    5,297,021.44x = 12,001,867,528,244.89
  5. Step 5: Solve for x
    x = 12,001,867,528,244.89/5,297,021.44
  6. Step 6: Final answer
    x = 2,265,776.66

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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.