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Finding the Fourth Proportional to 500,663.25, 751,041.05 and 163,705.63

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Solution

The fourth proportional to 500,663.25, 751,041.05 and 163,705.63 is: 245,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,663.25 : 751,041.05 = 163,705.63 : x
  2. Step 2: Convert to fraction form
    500,663.25/751,041.05 = 163,705.63/x
  3. Step 3: Cross multiply
    500,663.25x = 751,041.05 × 163,705.63
  4. Step 4: Simplify right side
    500,663.25x = 122,949,647,427.58
  5. Step 5: Solve for x
    x = 122,949,647,427.58/500,663.25
  6. Step 6: Final answer
    x = 245,573.54

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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.