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Finding the Fourth Proportional to 1,229,082.10, 1,845,005.55 and 949,837.30

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Solution

The fourth proportional to 1,229,082.10, 1,845,005.55 and 949,837.30 is: 1,425,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,082.10 : 1,845,005.55 = 949,837.30 : x
  2. Step 2: Convert to fraction form
    1,229,082.10/1,845,005.55 = 949,837.30/x
  3. Step 3: Cross multiply
    1,229,082.10x = 1,845,005.55 × 949,837.30
  4. Step 4: Simplify right side
    1,229,082.10x = 1,752,455,090,097.02
  5. Step 5: Solve for x
    x = 1,752,455,090,097.02/1,229,082.10
  6. Step 6: Final answer
    x = 1,425,824.27

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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.