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Finding the Fourth Proportional to 1,687,713, 2,329,065.81 and 923,750.16

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Solution

The fourth proportional to 1,687,713, 2,329,065.81 and 923,750.16 is: 1,274,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,713 : 2,329,065.81 = 923,750.16 : x
  2. Step 2: Convert to fraction form
    1,687,713/2,329,065.81 = 923,750.16/x
  3. Step 3: Cross multiply
    1,687,713x = 2,329,065.81 × 923,750.16
  4. Step 4: Simplify right side
    1,687,713x = 2,151,474,914,638.03
  5. Step 5: Solve for x
    x = 2,151,474,914,638.03/1,687,713
  6. Step 6: Final answer
    x = 1,274,787.19

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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.