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Finding the Fourth Proportional to 4,148,772, 6,223,158 and 996,900

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Solution

The fourth proportional to 4,148,772, 6,223,158 and 996,900 is: 1,495,350

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148,772 : 6,223,158 = 996,900 : x
  2. Step 2: Convert to fraction form
    4,148,772/6,223,158 = 996,900/x
  3. Step 3: Cross multiply
    4,148,772x = 6,223,158 × 996,900
  4. Step 4: Simplify right side
    4,148,772x = 6,203,866,210,200
  5. Step 5: Solve for x
    x = 6,203,866,210,200/4,148,772
  6. Step 6: Final answer
    x = 1,495,350

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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.