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Finding the Fourth Proportional to 1,465,999.35, 2,198,999.03 and 1,465,999.35

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Solution

The fourth proportional to 1,465,999.35, 2,198,999.03 and 1,465,999.35 is: 2,198,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,999.35 : 2,198,999.03 = 1,465,999.35 : x
  2. Step 2: Convert to fraction form
    1,465,999.35/2,198,999.03 = 1,465,999.35/x
  3. Step 3: Cross multiply
    1,465,999.35x = 2,198,999.03 × 1,465,999.35
  4. Step 4: Simplify right side
    1,465,999.35x = 3,223,731,141,300.63
  5. Step 5: Solve for x
    x = 3,223,731,141,300.63/1,465,999.35
  6. Step 6: Final answer
    x = 2,198,999.03

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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.