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Finding the Fourth Proportional to 603,632.64, 904,886.12 and 203,993.94

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Solution

The fourth proportional to 603,632.64, 904,886.12 and 203,993.94 is: 305,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,632.64 : 904,886.12 = 203,993.94 : x
  2. Step 2: Convert to fraction form
    603,632.64/904,886.12 = 203,993.94/x
  3. Step 3: Cross multiply
    603,632.64x = 904,886.12 × 203,993.94
  4. Step 4: Simplify right side
    603,632.64x = 184,591,284,870.11
  5. Step 5: Solve for x
    x = 184,591,284,870.11/603,632.64
  6. Step 6: Final answer
    x = 305,800.70

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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.