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Finding the Fourth Proportional to 1,999,948.59, 3,000,296.48 and 801,964.67

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Solution

The fourth proportional to 1,999,948.59, 3,000,296.48 and 801,964.67 is: 1,203,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,948.59 : 3,000,296.48 = 801,964.67 : x
  2. Step 2: Convert to fraction form
    1,999,948.59/3,000,296.48 = 801,964.67/x
  3. Step 3: Cross multiply
    1,999,948.59x = 3,000,296.48 × 801,964.67
  4. Step 4: Simplify right side
    1,999,948.59x = 2,406,131,757,474.06
  5. Step 5: Solve for x
    x = 2,406,131,757,474.06/1,999,948.59
  6. Step 6: Final answer
    x = 1,203,096.80

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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.