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Finding the Fourth Proportional to 411,559.92, 617,332.32 and 131,073.12

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Solution

The fourth proportional to 411,559.92, 617,332.32 and 131,073.12 is: 196,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,559.92 : 617,332.32 = 131,073.12 : x
  2. Step 2: Convert to fraction form
    411,559.92/617,332.32 = 131,073.12/x
  3. Step 3: Cross multiply
    411,559.92x = 617,332.32 × 131,073.12
  4. Step 4: Simplify right side
    411,559.92x = 80,915,673,259.24
  5. Step 5: Solve for x
    x = 80,915,673,259.24/411,559.92
  6. Step 6: Final answer
    x = 196,607.27

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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.