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Finding the Fourth Proportional to 3,018,580.07, 4,167,978.66 and 2,319,753.97

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Solution

The fourth proportional to 3,018,580.07, 4,167,978.66 and 2,319,753.97 is: 3,203,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,580.07 : 4,167,978.66 = 2,319,753.97 : x
  2. Step 2: Convert to fraction form
    3,018,580.07/4,167,978.66 = 2,319,753.97/x
  3. Step 3: Cross multiply
    3,018,580.07x = 4,167,978.66 × 2,319,753.97
  4. Step 4: Simplify right side
    3,018,580.07x = 9,668,685,043,410.28
  5. Step 5: Solve for x
    x = 9,668,685,043,410.28/3,018,580.07
  6. Step 6: Final answer
    x = 3,203,057.34

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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.