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Finding the Fourth Proportional to 1,346,608, 1,858,357.95 and 743,034.88

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Solution

The fourth proportional to 1,346,608, 1,858,357.95 and 743,034.88 is: 1,025,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,608 : 1,858,357.95 = 743,034.88 : x
  2. Step 2: Convert to fraction form
    1,346,608/1,858,357.95 = 743,034.88/x
  3. Step 3: Cross multiply
    1,346,608x = 1,858,357.95 × 743,034.88
  4. Step 4: Simplify right side
    1,346,608x = 1,380,824,776,375.30
  5. Step 5: Solve for x
    x = 1,380,824,776,375.30/1,346,608
  6. Step 6: Final answer
    x = 1,025,409.60

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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.