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Finding the Fourth Proportional to 984,522.10, 1,476,783.15 and 978,301.30

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Solution

The fourth proportional to 984,522.10, 1,476,783.15 and 978,301.30 is: 1,467,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,522.10 : 1,476,783.15 = 978,301.30 : x
  2. Step 2: Convert to fraction form
    984,522.10/1,476,783.15 = 978,301.30/x
  3. Step 3: Cross multiply
    984,522.10x = 1,476,783.15 × 978,301.30
  4. Step 4: Simplify right side
    984,522.10x = 1,444,738,875,463.10
  5. Step 5: Solve for x
    x = 1,444,738,875,463.10/984,522.10
  6. Step 6: Final answer
    x = 1,467,451.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.