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Finding the Fourth Proportional to 241,396.42, 333,403.53 and 158,978.83

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Solution

The fourth proportional to 241,396.42, 333,403.53 and 158,978.83 is: 219,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,396.42 : 333,403.53 = 158,978.83 : x
  2. Step 2: Convert to fraction form
    241,396.42/333,403.53 = 158,978.83/x
  3. Step 3: Cross multiply
    241,396.42x = 333,403.53 × 158,978.83
  4. Step 4: Simplify right side
    241,396.42x = 53,004,103,185.26
  5. Step 5: Solve for x
    x = 53,004,103,185.26/241,396.42
  6. Step 6: Final answer
    x = 219,572.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.