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Finding the Fourth Proportional to 496,782.70, 744,809.55 and 197,115.10

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Solution

The fourth proportional to 496,782.70, 744,809.55 and 197,115.10 is: 295,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,782.70 : 744,809.55 = 197,115.10 : x
  2. Step 2: Convert to fraction form
    496,782.70/744,809.55 = 197,115.10/x
  3. Step 3: Cross multiply
    496,782.70x = 744,809.55 × 197,115.10
  4. Step 4: Simplify right side
    496,782.70x = 146,813,208,929.21
  5. Step 5: Solve for x
    x = 146,813,208,929.21/496,782.70
  6. Step 6: Final answer
    x = 295,528.02

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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.