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Finding the Fourth Proportional to 987,024, 1,362,093.84 and 534,315.36

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Solution

The fourth proportional to 987,024, 1,362,093.84 and 534,315.36 is: 737,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,024 : 1,362,093.84 = 534,315.36 : x
  2. Step 2: Convert to fraction form
    987,024/1,362,093.84 = 534,315.36/x
  3. Step 3: Cross multiply
    987,024x = 1,362,093.84 × 534,315.36
  4. Step 4: Simplify right side
    987,024x = 727,787,660,473.38
  5. Step 5: Solve for x
    x = 727,787,660,473.38/987,024
  6. Step 6: Final answer
    x = 737,355.59

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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.