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Finding the Fourth Proportional to 219,604.56, 329,403.37 and 69,842.69

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Solution

The fourth proportional to 219,604.56, 329,403.37 and 69,842.69 is: 104,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,604.56 : 329,403.37 = 69,842.69 : x
  2. Step 2: Convert to fraction form
    219,604.56/329,403.37 = 69,842.69/x
  3. Step 3: Cross multiply
    219,604.56x = 329,403.37 × 69,842.69
  4. Step 4: Simplify right side
    219,604.56x = 23,006,417,455.87
  5. Step 5: Solve for x
    x = 23,006,417,455.87/219,604.56
  6. Step 6: Final answer
    x = 104,762.93

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1.5x scale

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.