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Finding the Fourth Proportional to 361,598.78, 498,960.21 and 200,452.40

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Solution

The fourth proportional to 361,598.78, 498,960.21 and 200,452.40 is: 276,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,598.78 : 498,960.21 = 200,452.40 : x
  2. Step 2: Convert to fraction form
    361,598.78/498,960.21 = 200,452.40/x
  3. Step 3: Cross multiply
    361,598.78x = 498,960.21 × 200,452.40
  4. Step 4: Simplify right side
    361,598.78x = 100,017,771,599.00
  5. Step 5: Solve for x
    x = 100,017,771,599.00/361,598.78
  6. Step 6: Final answer
    x = 276,598.75

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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.