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Finding the Fourth Proportional to 437,711.64, 656,637.72 and 184,994.64

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Solution

The fourth proportional to 437,711.64, 656,637.72 and 184,994.64 is: 277,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,711.64 : 656,637.72 = 184,994.64 : x
  2. Step 2: Convert to fraction form
    437,711.64/656,637.72 = 184,994.64/x
  3. Step 3: Cross multiply
    437,711.64x = 656,637.72 × 184,994.64
  4. Step 4: Simplify right side
    437,711.64x = 121,474,458,621.82
  5. Step 5: Solve for x
    x = 121,474,458,621.82/437,711.64
  6. Step 6: Final answer
    x = 277,521.65

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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.