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Finding the Fourth Proportional to 351,399.36, 484,932.24 and 190,256.16

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Solution

The fourth proportional to 351,399.36, 484,932.24 and 190,256.16 is: 262,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,399.36 : 484,932.24 = 190,256.16 : x
  2. Step 2: Convert to fraction form
    351,399.36/484,932.24 = 190,256.16/x
  3. Step 3: Cross multiply
    351,399.36x = 484,932.24 × 190,256.16
  4. Step 4: Simplify right side
    351,399.36x = 92,261,345,842.60
  5. Step 5: Solve for x
    x = 92,261,345,842.60/351,399.36
  6. Step 6: Final answer
    x = 262,554.11

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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.