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Finding the Fourth Proportional to 496,269.30, 744,501.15 and 211,959.30

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Solution

The fourth proportional to 496,269.30, 744,501.15 and 211,959.30 is: 317,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,269.30 : 744,501.15 = 211,959.30 : x
  2. Step 2: Convert to fraction form
    496,269.30/744,501.15 = 211,959.30/x
  3. Step 3: Cross multiply
    496,269.30x = 744,501.15 × 211,959.30
  4. Step 4: Simplify right side
    496,269.30x = 157,803,942,603.20
  5. Step 5: Solve for x
    x = 157,803,942,603.20/496,269.30
  6. Step 6: Final answer
    x = 317,980.46

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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.