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Finding the Fourth Proportional to 361,594.98, 498,967.45 and 200,436.30

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Solution

The fourth proportional to 361,594.98, 498,967.45 and 200,436.30 is: 276,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,594.98 : 498,967.45 = 200,436.30 : x
  2. Step 2: Convert to fraction form
    361,594.98/498,967.45 = 200,436.30/x
  3. Step 3: Cross multiply
    361,594.98x = 498,967.45 × 200,436.30
  4. Step 4: Simplify right side
    361,594.98x = 100,011,188,997.34
  5. Step 5: Solve for x
    x = 100,011,188,997.34/361,594.98
  6. Step 6: Final answer
    x = 276,583.46

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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.