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Finding the Fourth Proportional to 1,937,554.03, 2,906,984.40 and 857,919.19

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Solution

The fourth proportional to 1,937,554.03, 2,906,984.40 and 857,919.19 is: 1,287,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,554.03 : 2,906,984.40 = 857,919.19 : x
  2. Step 2: Convert to fraction form
    1,937,554.03/2,906,984.40 = 857,919.19/x
  3. Step 3: Cross multiply
    1,937,554.03x = 2,906,984.40 × 857,919.19
  4. Step 4: Simplify right side
    1,937,554.03x = 2,493,957,701,790.64
  5. Step 5: Solve for x
    x = 2,493,957,701,790.64/1,937,554.03
  6. Step 6: Final answer
    x = 1,287,168.08

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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.