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Finding the Fourth Proportional to 3,166,278, 4,749,417 and 1,393,350

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Solution

The fourth proportional to 3,166,278, 4,749,417 and 1,393,350 is: 2,090,025

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,278 : 4,749,417 = 1,393,350 : x
  2. Step 2: Convert to fraction form
    3,166,278/4,749,417 = 1,393,350/x
  3. Step 3: Cross multiply
    3,166,278x = 4,749,417 × 1,393,350
  4. Step 4: Simplify right side
    3,166,278x = 6,617,600,176,950
  5. Step 5: Solve for x
    x = 6,617,600,176,950/3,166,278
  6. Step 6: Final answer
    x = 2,090,025

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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.