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Finding the Fourth Proportional to 472,736.94, 652,482.18 and 300,620.04

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Solution

The fourth proportional to 472,736.94, 652,482.18 and 300,620.04 is: 414,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,736.94 : 652,482.18 = 300,620.04 : x
  2. Step 2: Convert to fraction form
    472,736.94/652,482.18 = 300,620.04/x
  3. Step 3: Cross multiply
    472,736.94x = 652,482.18 × 300,620.04
  4. Step 4: Simplify right side
    472,736.94x = 196,149,219,050.89
  5. Step 5: Solve for x
    x = 196,149,219,050.89/472,736.94
  6. Step 6: Final answer
    x = 414,922.56

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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.