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Finding the Fourth Proportional to 3,948,894.03, 5,923,341.05 and 957,078.03

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Solution

The fourth proportional to 3,948,894.03, 5,923,341.05 and 957,078.03 is: 1,435,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,894.03 : 5,923,341.05 = 957,078.03 : x
  2. Step 2: Convert to fraction form
    3,948,894.03/5,923,341.05 = 957,078.03/x
  3. Step 3: Cross multiply
    3,948,894.03x = 5,923,341.05 × 957,078.03
  4. Step 4: Simplify right side
    3,948,894.03x = 5,669,099,578,366.74
  5. Step 5: Solve for x
    x = 5,669,099,578,366.74/3,948,894.03
  6. Step 6: Final answer
    x = 1,435,617.05

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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.