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Finding the Fourth Proportional to 501,488.61, 752,205.09 and 366,690.81

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Solution

The fourth proportional to 501,488.61, 752,205.09 and 366,690.81 is: 550,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,488.61 : 752,205.09 = 366,690.81 : x
  2. Step 2: Convert to fraction form
    501,488.61/752,205.09 = 366,690.81/x
  3. Step 3: Cross multiply
    501,488.61x = 752,205.09 × 366,690.81
  4. Step 4: Simplify right side
    501,488.61x = 275,826,693,738.22
  5. Step 5: Solve for x
    x = 275,826,693,738.22/501,488.61
  6. Step 6: Final answer
    x = 550,015.87

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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.