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Finding the Fourth Proportional to 335,816.60, 503,433.30 and 202,555.40

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Solution

The fourth proportional to 335,816.60, 503,433.30 and 202,555.40 is: 303,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,816.60 : 503,433.30 = 202,555.40 : x
  2. Step 2: Convert to fraction form
    335,816.60/503,433.30 = 202,555.40/x
  3. Step 3: Cross multiply
    335,816.60x = 503,433.30 × 202,555.40
  4. Step 4: Simplify right side
    335,816.60x = 101,973,133,454.82
  5. Step 5: Solve for x
    x = 101,973,133,454.82/335,816.60
  6. Step 6: Final answer
    x = 303,657.21

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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.