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Finding the Fourth Proportional to 550,581.99, 759,906.89 and 359,263.23

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Solution

The fourth proportional to 550,581.99, 759,906.89 and 359,263.23 is: 495,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,581.99 : 759,906.89 = 359,263.23 : x
  2. Step 2: Convert to fraction form
    550,581.99/759,906.89 = 359,263.23/x
  3. Step 3: Cross multiply
    550,581.99x = 759,906.89 × 359,263.23
  4. Step 4: Simplify right side
    550,581.99x = 273,006,602,004.34
  5. Step 5: Solve for x
    x = 273,006,602,004.34/550,581.99
  6. Step 6: Final answer
    x = 495,850.95

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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.