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Finding the Fourth Proportional to 483,409.96, 724,865.86 and 216,942.04

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Solution

The fourth proportional to 483,409.96, 724,865.86 and 216,942.04 is: 325,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,409.96 : 724,865.86 = 216,942.04 : x
  2. Step 2: Convert to fraction form
    483,409.96/724,865.86 = 216,942.04/x
  3. Step 3: Cross multiply
    483,409.96x = 724,865.86 × 216,942.04
  4. Step 4: Simplify right side
    483,409.96x = 157,253,878,394.75
  5. Step 5: Solve for x
    x = 157,253,878,394.75/483,409.96
  6. Step 6: Final answer
    x = 325,301.28

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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.