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Finding the Fourth Proportional to 500,904.60, 751,429.80 and 163,863.60

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Solution

The fourth proportional to 500,904.60, 751,429.80 and 163,863.60 is: 245,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,904.60 : 751,429.80 = 163,863.60 : x
  2. Step 2: Convert to fraction form
    500,904.60/751,429.80 = 163,863.60/x
  3. Step 3: Cross multiply
    500,904.60x = 751,429.80 × 163,863.60
  4. Step 4: Simplify right side
    500,904.60x = 123,131,992,175.28
  5. Step 5: Solve for x
    x = 123,131,992,175.28/500,904.60
  6. Step 6: Final answer
    x = 245,819.25

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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.