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Finding the Fourth Proportional to 1,229,771.10, 1,844,656.65 and 754,916.70

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Solution

The fourth proportional to 1,229,771.10, 1,844,656.65 and 754,916.70 is: 1,132,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,771.10 : 1,844,656.65 = 754,916.70 : x
  2. Step 2: Convert to fraction form
    1,229,771.10/1,844,656.65 = 754,916.70/x
  3. Step 3: Cross multiply
    1,229,771.10x = 1,844,656.65 × 754,916.70
  4. Step 4: Simplify right side
    1,229,771.10x = 1,392,562,110,851.06
  5. Step 5: Solve for x
    x = 1,392,562,110,851.06/1,229,771.10
  6. Step 6: Final answer
    x = 1,132,375.05

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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.