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Finding the Fourth Proportional to 603,874.64, 833,532.72 and 389,014.04

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Solution

The fourth proportional to 603,874.64, 833,532.72 and 389,014.04 is: 536,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,874.64 : 833,532.72 = 389,014.04 : x
  2. Step 2: Convert to fraction form
    603,874.64/833,532.72 = 389,014.04/x
  3. Step 3: Cross multiply
    603,874.64x = 833,532.72 × 389,014.04
  4. Step 4: Simplify right side
    603,874.64x = 324,255,930,879.39
  5. Step 5: Solve for x
    x = 324,255,930,879.39/603,874.64
  6. Step 6: Final answer
    x = 536,959.01

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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.