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Finding the Fourth Proportional to 236,423.60, 354,635.40 and 194,433.20

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Solution

The fourth proportional to 236,423.60, 354,635.40 and 194,433.20 is: 291,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,423.60 : 354,635.40 = 194,433.20 : x
  2. Step 2: Convert to fraction form
    236,423.60/354,635.40 = 194,433.20/x
  3. Step 3: Cross multiply
    236,423.60x = 354,635.40 × 194,433.20
  4. Step 4: Simplify right side
    236,423.60x = 68,952,895,655.28
  5. Step 5: Solve for x
    x = 68,952,895,655.28/236,423.60
  6. Step 6: Final answer
    x = 291,649.80

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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.