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Finding the Fourth Proportional to 245,800.50, 368,357.82 and 185,779.50

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Solution

The fourth proportional to 245,800.50, 368,357.82 and 185,779.50 is: 278,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,800.50 : 368,357.82 = 185,779.50 : x
  2. Step 2: Convert to fraction form
    245,800.50/368,357.82 = 185,779.50/x
  3. Step 3: Cross multiply
    245,800.50x = 368,357.82 × 185,779.50
  4. Step 4: Simplify right side
    245,800.50x = 68,433,331,620.69
  5. Step 5: Solve for x
    x = 68,433,331,620.69/245,800.50
  6. Step 6: Final answer
    x = 278,410.06

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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.