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Finding the Fourth Proportional to 2,157,344.00, 2,977,302.77 and 1,239,893.24

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Solution

The fourth proportional to 2,157,344.00, 2,977,302.77 and 1,239,893.24 is: 1,711,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,344.00 : 2,977,302.77 = 1,239,893.24 : x
  2. Step 2: Convert to fraction form
    2,157,344.00/2,977,302.77 = 1,239,893.24/x
  3. Step 3: Cross multiply
    2,157,344.00x = 2,977,302.77 × 1,239,893.24
  4. Step 4: Simplify right side
    2,157,344.00x = 3,691,537,556,870.30
  5. Step 5: Solve for x
    x = 3,691,537,556,870.30/2,157,344.00
  6. Step 6: Final answer
    x = 1,711,149.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.