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Finding the Fourth Proportional to 319,759.36, 441,268.87 and 174,565.37

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Solution

The fourth proportional to 319,759.36, 441,268.87 and 174,565.37 is: 240,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,759.36 : 441,268.87 = 174,565.37 : x
  2. Step 2: Convert to fraction form
    319,759.36/441,268.87 = 174,565.37/x
  3. Step 3: Cross multiply
    319,759.36x = 441,268.87 × 174,565.37
  4. Step 4: Simplify right side
    319,759.36x = 77,030,263,561.03
  5. Step 5: Solve for x
    x = 77,030,263,561.03/319,759.36
  6. Step 6: Final answer
    x = 240,900.73

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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.