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Finding the Fourth Proportional to 579,209.16, 868,600.62 and 200,033.40

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Solution

The fourth proportional to 579,209.16, 868,600.62 and 200,033.40 is: 299,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,209.16 : 868,600.62 = 200,033.40 : x
  2. Step 2: Convert to fraction form
    579,209.16/868,600.62 = 200,033.40/x
  3. Step 3: Cross multiply
    579,209.16x = 868,600.62 × 200,033.40
  4. Step 4: Simplify right side
    579,209.16x = 173,749,135,260.71
  5. Step 5: Solve for x
    x = 173,749,135,260.71/579,209.16
  6. Step 6: Final answer
    x = 299,976.50

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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.