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Finding the Fourth Proportional to 496,876.70, 744,950.55 and 197,209.10

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Solution

The fourth proportional to 496,876.70, 744,950.55 and 197,209.10 is: 295,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,876.70 : 744,950.55 = 197,209.10 : x
  2. Step 2: Convert to fraction form
    496,876.70/744,950.55 = 197,209.10/x
  3. Step 3: Cross multiply
    496,876.70x = 744,950.55 × 197,209.10
  4. Step 4: Simplify right side
    496,876.70x = 146,911,027,510.01
  5. Step 5: Solve for x
    x = 146,911,027,510.01/496,876.70
  6. Step 6: Final answer
    x = 295,668.98

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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.