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Finding the Fourth Proportional to 361,455.34, 498,809.62 and 200,313.12

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Solution

The fourth proportional to 361,455.34, 498,809.62 and 200,313.12 is: 276,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,455.34 : 498,809.62 = 200,313.12 : x
  2. Step 2: Convert to fraction form
    361,455.34/498,809.62 = 200,313.12/x
  3. Step 3: Cross multiply
    361,455.34x = 498,809.62 × 200,313.12
  4. Step 4: Simplify right side
    361,455.34x = 99,918,111,268.21
  5. Step 5: Solve for x
    x = 99,918,111,268.21/361,455.34
  6. Step 6: Final answer
    x = 276,432.80

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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.