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Finding the Fourth Proportional to 219,181.74, 301,309.69 and 188,441.59

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Solution

The fourth proportional to 219,181.74, 301,309.69 and 188,441.59 is: 259,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,181.74 : 301,309.69 = 188,441.59 : x
  2. Step 2: Convert to fraction form
    219,181.74/301,309.69 = 188,441.59/x
  3. Step 3: Cross multiply
    219,181.74x = 301,309.69 × 188,441.59
  4. Step 4: Simplify right side
    219,181.74x = 56,779,275,559.46
  5. Step 5: Solve for x
    x = 56,779,275,559.46/219,181.74
  6. Step 6: Final answer
    x = 259,051.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.