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Finding the Fourth Proportional to 325,655.07, 449,418.32 and 180,460.45

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Solution

The fourth proportional to 325,655.07, 449,418.32 and 180,460.45 is: 249,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,655.07 : 449,418.32 = 180,460.45 : x
  2. Step 2: Convert to fraction form
    325,655.07/449,418.32 = 180,460.45/x
  3. Step 3: Cross multiply
    325,655.07x = 449,418.32 × 180,460.45
  4. Step 4: Simplify right side
    325,655.07x = 81,102,230,469.50
  5. Step 5: Solve for x
    x = 81,102,230,469.50/325,655.07
  6. Step 6: Final answer
    x = 249,043.35

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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.