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Finding the Fourth Proportional to 636,004.13, 954,443.60 and 262,027.13

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Solution

The fourth proportional to 636,004.13, 954,443.60 and 262,027.13 is: 393,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,004.13 : 954,443.60 = 262,027.13 : x
  2. Step 2: Convert to fraction form
    636,004.13/954,443.60 = 262,027.13/x
  3. Step 3: Cross multiply
    636,004.13x = 954,443.60 × 262,027.13
  4. Step 4: Simplify right side
    636,004.13x = 250,090,117,254.87
  5. Step 5: Solve for x
    x = 250,090,117,254.87/636,004.13
  6. Step 6: Final answer
    x = 393,220.90

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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.