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Finding the Fourth Proportional to 364,033.20, 546,049.80 and 325,979.40

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Solution

The fourth proportional to 364,033.20, 546,049.80 and 325,979.40 is: 488,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,033.20 : 546,049.80 = 325,979.40 : x
  2. Step 2: Convert to fraction form
    364,033.20/546,049.80 = 325,979.40/x
  3. Step 3: Cross multiply
    364,033.20x = 546,049.80 × 325,979.40
  4. Step 4: Simplify right side
    364,033.20x = 178,000,986,174.12
  5. Step 5: Solve for x
    x = 178,000,986,174.12/364,033.20
  6. Step 6: Final answer
    x = 488,969.10

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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.