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Finding the Fourth Proportional to 488,396.64, 673,994.04 and 273,535.20

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Solution

The fourth proportional to 488,396.64, 673,994.04 and 273,535.20 is: 377,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,396.64 : 673,994.04 = 273,535.20 : x
  2. Step 2: Convert to fraction form
    488,396.64/673,994.04 = 273,535.20/x
  3. Step 3: Cross multiply
    488,396.64x = 673,994.04 × 273,535.20
  4. Step 4: Simplify right side
    488,396.64x = 184,361,094,530.21
  5. Step 5: Solve for x
    x = 184,361,094,530.21/488,396.64
  6. Step 6: Final answer
    x = 377,482.32

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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.