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Finding the Fourth Proportional to 1,627,955, 2,246,577.92 and 912,563

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Solution

The fourth proportional to 1,627,955, 2,246,577.92 and 912,563 is: 1,259,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,955 : 2,246,577.92 = 912,563 : x
  2. Step 2: Convert to fraction form
    1,627,955/2,246,577.92 = 912,563/x
  3. Step 3: Cross multiply
    1,627,955x = 2,246,577.92 × 912,563
  4. Step 4: Simplify right side
    1,627,955x = 2,050,143,886,408.96
  5. Step 5: Solve for x
    x = 2,050,143,886,408.96/1,627,955
  6. Step 6: Final answer
    x = 1,259,336.95

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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.