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Finding the Fourth Proportional to 477,467.10, 716,200.65 and 196,839.90

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Solution

The fourth proportional to 477,467.10, 716,200.65 and 196,839.90 is: 295,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,467.10 : 716,200.65 = 196,839.90 : x
  2. Step 2: Convert to fraction form
    477,467.10/716,200.65 = 196,839.90/x
  3. Step 3: Cross multiply
    477,467.10x = 716,200.65 × 196,839.90
  4. Step 4: Simplify right side
    477,467.10x = 140,976,864,325.94
  5. Step 5: Solve for x
    x = 140,976,864,325.94/477,467.10
  6. Step 6: Final answer
    x = 295,259.85

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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.