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Finding the Fourth Proportional to 364,049.20, 546,073.80 and 325,995.40

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Solution

The fourth proportional to 364,049.20, 546,073.80 and 325,995.40 is: 488,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,049.20 : 546,073.80 = 325,995.40 : x
  2. Step 2: Convert to fraction form
    364,049.20/546,073.80 = 325,995.40/x
  3. Step 3: Cross multiply
    364,049.20x = 546,073.80 × 325,995.40
  4. Step 4: Simplify right side
    364,049.20x = 178,017,546,860.52
  5. Step 5: Solve for x
    x = 178,017,546,860.52/364,049.20
  6. Step 6: Final answer
    x = 488,993.10

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1.5x scale

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.