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Finding the Fourth Proportional to 496,232.60, 744,543.30 and 196,662.20

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Solution

The fourth proportional to 496,232.60, 744,543.30 and 196,662.20 is: 295,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,232.60 : 744,543.30 = 196,662.20 : x
  2. Step 2: Convert to fraction form
    496,232.60/744,543.30 = 196,662.20/x
  3. Step 3: Cross multiply
    496,232.60x = 744,543.30 × 196,662.20
  4. Step 4: Simplify right side
    496,232.60x = 146,423,523,373.26
  5. Step 5: Solve for x
    x = 146,423,523,373.26/496,232.60
  6. Step 6: Final answer
    x = 295,070.34

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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.