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Finding the Fourth Proportional to 982,597.10, 1,473,019.07 and 383,418.90

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Solution

The fourth proportional to 982,597.10, 1,473,019.07 and 383,418.90 is: 574,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,597.10 : 1,473,019.07 = 383,418.90 : x
  2. Step 2: Convert to fraction form
    982,597.10/1,473,019.07 = 383,418.90/x
  3. Step 3: Cross multiply
    982,597.10x = 1,473,019.07 × 383,418.90
  4. Step 4: Simplify right side
    982,597.10x = 564,783,349,581.33
  5. Step 5: Solve for x
    x = 564,783,349,581.33/982,597.10
  6. Step 6: Final answer
    x = 574,786.30

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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.