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Finding the Fourth Proportional to 363,478.70, 501,605.37 and 200,154.35

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Solution

The fourth proportional to 363,478.70, 501,605.37 and 200,154.35 is: 276,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,478.70 : 501,605.37 = 200,154.35 : x
  2. Step 2: Convert to fraction form
    363,478.70/501,605.37 = 200,154.35/x
  3. Step 3: Cross multiply
    363,478.70x = 501,605.37 × 200,154.35
  4. Step 4: Simplify right side
    363,478.70x = 100,398,494,280.83
  5. Step 5: Solve for x
    x = 100,398,494,280.83/363,478.70
  6. Step 6: Final answer
    x = 276,215.62

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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.