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Finding the Fourth Proportional to 496,362.61, 744,625.93 and 196,844.76

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Solution

The fourth proportional to 496,362.61, 744,625.93 and 196,844.76 is: 295,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,362.61 : 744,625.93 = 196,844.76 : x
  2. Step 2: Convert to fraction form
    496,362.61/744,625.93 = 196,844.76/x
  3. Step 3: Cross multiply
    496,362.61x = 744,625.93 × 196,844.76
  4. Step 4: Simplify right side
    496,362.61x = 146,575,712,480.63
  5. Step 5: Solve for x
    x = 146,575,712,480.63/496,362.61
  6. Step 6: Final answer
    x = 295,299.67

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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.