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Finding the Fourth Proportional to 336,448.71, 504,469.79 and 134,075.94

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Solution

The fourth proportional to 336,448.71, 504,469.79 and 134,075.94 is: 201,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,448.71 : 504,469.79 = 134,075.94 : x
  2. Step 2: Convert to fraction form
    336,448.71/504,469.79 = 134,075.94/x
  3. Step 3: Cross multiply
    336,448.71x = 504,469.79 × 134,075.94
  4. Step 4: Simplify right side
    336,448.71x = 67,637,261,295.85
  5. Step 5: Solve for x
    x = 67,637,261,295.85/336,448.71
  6. Step 6: Final answer
    x = 201,032.90

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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.