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Finding the Fourth Proportional to 1,609,804.80, 2,419,372.80 and 1,404,518.40

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Solution

The fourth proportional to 1,609,804.80, 2,419,372.80 and 1,404,518.40 is: 2,110,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,804.80 : 2,419,372.80 = 1,404,518.40 : x
  2. Step 2: Convert to fraction form
    1,609,804.80/2,419,372.80 = 1,404,518.40/x
  3. Step 3: Cross multiply
    1,609,804.80x = 2,419,372.80 × 1,404,518.40
  4. Step 4: Simplify right side
    1,609,804.80x = 3,398,053,614,059.52
  5. Step 5: Solve for x
    x = 3,398,053,614,059.52/1,609,804.80
  6. Step 6: Final answer
    x = 2,110,848.23

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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.