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Finding the Fourth Proportional to 2,988,104, 4,482,195 and 993,560

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Solution

The fourth proportional to 2,988,104, 4,482,195 and 993,560 is: 1,490,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,104 : 4,482,195 = 993,560 : x
  2. Step 2: Convert to fraction form
    2,988,104/4,482,195 = 993,560/x
  3. Step 3: Cross multiply
    2,988,104x = 4,482,195 × 993,560
  4. Step 4: Simplify right side
    2,988,104x = 4,453,329,664,200
  5. Step 5: Solve for x
    x = 4,453,329,664,200/2,988,104
  6. Step 6: Final answer
    x = 1,490,352.97

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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.