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Finding the Fourth Proportional to 327,898.20, 492,308.10 and 203,482.20

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Solution

The fourth proportional to 327,898.20, 492,308.10 and 203,482.20 is: 305,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,898.20 : 492,308.10 = 203,482.20 : x
  2. Step 2: Convert to fraction form
    327,898.20/492,308.10 = 203,482.20/x
  3. Step 3: Cross multiply
    327,898.20x = 492,308.10 × 203,482.20
  4. Step 4: Simplify right side
    327,898.20x = 100,175,935,265.82
  5. Step 5: Solve for x
    x = 100,175,935,265.82/327,898.20
  6. Step 6: Final answer
    x = 305,509.26

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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.