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Finding the Fourth Proportional to 496,779.70, 744,805.05 and 197,112.10

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Solution

The fourth proportional to 496,779.70, 744,805.05 and 197,112.10 is: 295,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,779.70 : 744,805.05 = 197,112.10 : x
  2. Step 2: Convert to fraction form
    496,779.70/744,805.05 = 197,112.10/x
  3. Step 3: Cross multiply
    496,779.70x = 744,805.05 × 197,112.10
  4. Step 4: Simplify right side
    496,779.70x = 146,810,087,496.11
  5. Step 5: Solve for x
    x = 146,810,087,496.11/496,779.70
  6. Step 6: Final answer
    x = 295,523.52

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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.