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Finding the Fourth Proportional to 484,604.80, 726,907.20 and 335,305.60

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Solution

The fourth proportional to 484,604.80, 726,907.20 and 335,305.60 is: 502,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,604.80 : 726,907.20 = 335,305.60 : x
  2. Step 2: Convert to fraction form
    484,604.80/726,907.20 = 335,305.60/x
  3. Step 3: Cross multiply
    484,604.80x = 726,907.20 × 335,305.60
  4. Step 4: Simplify right side
    484,604.80x = 243,736,054,840.32
  5. Step 5: Solve for x
    x = 243,736,054,840.32/484,604.80
  6. Step 6: Final answer
    x = 502,958.40

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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.