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Finding the Fourth Proportional to 603,585.28, 832,943.28 and 327,940.66

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Solution

The fourth proportional to 603,585.28, 832,943.28 and 327,940.66 is: 452,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,585.28 : 832,943.28 = 327,940.66 : x
  2. Step 2: Convert to fraction form
    603,585.28/832,943.28 = 327,940.66/x
  3. Step 3: Cross multiply
    603,585.28x = 832,943.28 × 327,940.66
  4. Step 4: Simplify right side
    603,585.28x = 273,155,968,985.77
  5. Step 5: Solve for x
    x = 273,155,968,985.77/603,585.28
  6. Step 6: Final answer
    x = 452,555.72

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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.