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Finding the Fourth Proportional to 368,568.83, 552,809.41 and 216,856.64

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Solution

The fourth proportional to 368,568.83, 552,809.41 and 216,856.64 is: 325,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,568.83 : 552,809.41 = 216,856.64 : x
  2. Step 2: Convert to fraction form
    368,568.83/552,809.41 = 216,856.64/x
  3. Step 3: Cross multiply
    368,568.83x = 552,809.41 × 216,856.64
  4. Step 4: Simplify right side
    368,568.83x = 119,880,392,052.86
  5. Step 5: Solve for x
    x = 119,880,392,052.86/368,568.83
  6. Step 6: Final answer
    x = 325,259.17

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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.