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Finding the Fourth Proportional to 1,691,849.68, 2,334,537.32 and 966,744.40

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Solution

The fourth proportional to 1,691,849.68, 2,334,537.32 and 966,744.40 is: 1,333,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,849.68 : 2,334,537.32 = 966,744.40 : x
  2. Step 2: Convert to fraction form
    1,691,849.68/2,334,537.32 = 966,744.40/x
  3. Step 3: Cross multiply
    1,691,849.68x = 2,334,537.32 × 966,744.40
  4. Step 4: Simplify right side
    1,691,849.68x = 2,256,900,880,701.01
  5. Step 5: Solve for x
    x = 2,256,900,880,701.01/1,691,849.68
  6. Step 6: Final answer
    x = 1,333,984.28

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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.