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Finding the Fourth Proportional to 4,265,978.30, 6,398,967.45 and 3,846,074.30

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Solution

The fourth proportional to 4,265,978.30, 6,398,967.45 and 3,846,074.30 is: 5,769,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265,978.30 : 6,398,967.45 = 3,846,074.30 : x
  2. Step 2: Convert to fraction form
    4,265,978.30/6,398,967.45 = 3,846,074.30/x
  3. Step 3: Cross multiply
    4,265,978.30x = 6,398,967.45 × 3,846,074.30
  4. Step 4: Simplify right side
    4,265,978.30x = 24,610,904,255,981.54
  5. Step 5: Solve for x
    x = 24,610,904,255,981.54/4,265,978.30
  6. Step 6: Final answer
    x = 5,769,111.45

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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.