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Finding the Fourth Proportional to 339,465.44, 468,075.82 and 216,792.56

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Solution

The fourth proportional to 339,465.44, 468,075.82 and 216,792.56 is: 298,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,465.44 : 468,075.82 = 216,792.56 : x
  2. Step 2: Convert to fraction form
    339,465.44/468,075.82 = 216,792.56/x
  3. Step 3: Cross multiply
    339,465.44x = 468,075.82 × 216,792.56
  4. Step 4: Simplify right side
    339,465.44x = 101,475,355,291.90
  5. Step 5: Solve for x
    x = 101,475,355,291.90/339,465.44
  6. Step 6: Final answer
    x = 298,926.91

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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.