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Finding the Fourth Proportional to 3,505,598.40, 5,258,978.74 and 1,230,532.48

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Solution

The fourth proportional to 3,505,598.40, 5,258,978.74 and 1,230,532.48 is: 1,846,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,598.40 : 5,258,978.74 = 1,230,532.48 : x
  2. Step 2: Convert to fraction form
    3,505,598.40/5,258,978.74 = 1,230,532.48/x
  3. Step 3: Cross multiply
    3,505,598.40x = 5,258,978.74 × 1,230,532.48
  4. Step 4: Simplify right side
    3,505,598.40x = 6,471,344,151,199.48
  5. Step 5: Solve for x
    x = 6,471,344,151,199.48/3,505,598.40
  6. Step 6: Final answer
    x = 1,846,002.71

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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.