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Finding the Fourth Proportional to 483,426.68, 724,891.02 and 216,958.76

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Solution

The fourth proportional to 483,426.68, 724,891.02 and 216,958.76 is: 325,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,426.68 : 724,891.02 = 216,958.76 : x
  2. Step 2: Convert to fraction form
    483,426.68/724,891.02 = 216,958.76/x
  3. Step 3: Cross multiply
    483,426.68x = 724,891.02 × 216,958.76
  4. Step 4: Simplify right side
    483,426.68x = 157,271,456,834.34
  5. Step 5: Solve for x
    x = 157,271,456,834.34/483,426.68
  6. Step 6: Final answer
    x = 325,326.39

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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.