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Finding the Fourth Proportional to 533,585.49, 800,379.59 and 218,042.43

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Solution

The fourth proportional to 533,585.49, 800,379.59 and 218,042.43 is: 327,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,585.49 : 800,379.59 = 218,042.43 : x
  2. Step 2: Convert to fraction form
    533,585.49/800,379.59 = 218,042.43/x
  3. Step 3: Cross multiply
    533,585.49x = 800,379.59 × 218,042.43
  4. Step 4: Simplify right side
    533,585.49x = 174,516,709,635.79
  5. Step 5: Solve for x
    x = 174,516,709,635.79/533,585.49
  6. Step 6: Final answer
    x = 327,064.20

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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.