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Finding the Fourth Proportional to 363,341.23, 501,357.60 and 218,116.22

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Solution

The fourth proportional to 363,341.23, 501,357.60 and 218,116.22 is: 300,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,341.23 : 501,357.60 = 218,116.22 : x
  2. Step 2: Convert to fraction form
    363,341.23/501,357.60 = 218,116.22/x
  3. Step 3: Cross multiply
    363,341.23x = 501,357.60 × 218,116.22
  4. Step 4: Simplify right side
    363,341.23x = 109,354,222,073.48
  5. Step 5: Solve for x
    x = 109,354,222,073.48/363,341.23
  6. Step 6: Final answer
    x = 300,968.38

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Double scale
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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.