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Finding the Fourth Proportional to 1,644,747.52, 2,465,307.52 and 1,075,892.48

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Solution

The fourth proportional to 1,644,747.52, 2,465,307.52 and 1,075,892.48 is: 1,612,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,747.52 : 2,465,307.52 = 1,075,892.48 : x
  2. Step 2: Convert to fraction form
    1,644,747.52/2,465,307.52 = 1,075,892.48/x
  3. Step 3: Cross multiply
    1,644,747.52x = 2,465,307.52 × 1,075,892.48
  4. Step 4: Simplify right side
    1,644,747.52x = 2,652,405,821,655.45
  5. Step 5: Solve for x
    x = 2,652,405,821,655.45/1,644,747.52
  6. Step 6: Final answer
    x = 1,612,652.27

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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.