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Finding the Fourth Proportional to 349,907.09, 483,104.19 and 269,192.21

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Solution

The fourth proportional to 349,907.09, 483,104.19 and 269,192.21 is: 371,664.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,907.09 : 483,104.19 = 269,192.21 : x
  2. Step 2: Convert to fraction form
    349,907.09/483,104.19 = 269,192.21/x
  3. Step 3: Cross multiply
    349,907.09x = 483,104.19 × 269,192.21
  4. Step 4: Simplify right side
    349,907.09x = 130,047,880,804.88
  5. Step 5: Solve for x
    x = 130,047,880,804.88/349,907.09
  6. Step 6: Final answer
    x = 371,664.04

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1.5x scale

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.