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Finding the Fourth Proportional to 591,969.97, 816,926.01 and 359,329.67

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Solution

The fourth proportional to 591,969.97, 816,926.01 and 359,329.67 is: 495,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,969.97 : 816,926.01 = 359,329.67 : x
  2. Step 2: Convert to fraction form
    591,969.97/816,926.01 = 359,329.67/x
  3. Step 3: Cross multiply
    591,969.97x = 816,926.01 × 359,329.67
  4. Step 4: Simplify right side
    591,969.97x = 293,545,751,219.07
  5. Step 5: Solve for x
    x = 293,545,751,219.07/591,969.97
  6. Step 6: Final answer
    x = 495,879.46

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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.