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Finding the Fourth Proportional to 1,179,902.03, 1,769,847.98 and 326,971.22

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Solution

The fourth proportional to 1,179,902.03, 1,769,847.98 and 326,971.22 is: 490,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,902.03 : 1,769,847.98 = 326,971.22 : x
  2. Step 2: Convert to fraction form
    1,179,902.03/1,769,847.98 = 326,971.22/x
  3. Step 3: Cross multiply
    1,179,902.03x = 1,769,847.98 × 326,971.22
  4. Step 4: Simplify right side
    1,179,902.03x = 578,689,342,751.04
  5. Step 5: Solve for x
    x = 578,689,342,751.04/1,179,902.03
  6. Step 6: Final answer
    x = 490,455.42

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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.