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Finding the Fourth Proportional to 332,999.51, 459,232.68 and 218,236.34

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Solution

The fourth proportional to 332,999.51, 459,232.68 and 218,236.34 is: 300,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,999.51 : 459,232.68 = 218,236.34 : x
  2. Step 2: Convert to fraction form
    332,999.51/459,232.68 = 218,236.34/x
  3. Step 3: Cross multiply
    332,999.51x = 459,232.68 × 218,236.34
  4. Step 4: Simplify right side
    332,999.51x = 100,221,260,030.48
  5. Step 5: Solve for x
    x = 100,221,260,030.48/332,999.51
  6. Step 6: Final answer
    x = 300,965.19

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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.