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Finding the Fourth Proportional to 1,346,613, 1,858,364.82 and 743,039.88

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Solution

The fourth proportional to 1,346,613, 1,858,364.82 and 743,039.88 is: 1,025,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,613 : 1,858,364.82 = 743,039.88 : x
  2. Step 2: Convert to fraction form
    1,346,613/1,858,364.82 = 743,039.88/x
  3. Step 3: Cross multiply
    1,346,613x = 1,858,364.82 × 743,039.88
  4. Step 4: Simplify right side
    1,346,613x = 1,380,839,172,849.02
  5. Step 5: Solve for x
    x = 1,380,839,172,849.02/1,346,613
  6. Step 6: Final answer
    x = 1,025,416.49

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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.