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Finding the Fourth Proportional to 325,955.51, 449,782.56 and 180,757.64

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Solution

The fourth proportional to 325,955.51, 449,782.56 and 180,757.64 is: 249,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,955.51 : 449,782.56 = 180,757.64 : x
  2. Step 2: Convert to fraction form
    325,955.51/449,782.56 = 180,757.64/x
  3. Step 3: Cross multiply
    325,955.51x = 449,782.56 × 180,757.64
  4. Step 4: Simplify right side
    325,955.51x = 81,301,631,809.85
  5. Step 5: Solve for x
    x = 81,301,631,809.85/325,955.51
  6. Step 6: Final answer
    x = 249,425.55

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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.