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Finding the Fourth Proportional to 205,334.40, 307,771.20 and 116,630.40

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Solution

The fourth proportional to 205,334.40, 307,771.20 and 116,630.40 is: 174,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,334.40 : 307,771.20 = 116,630.40 : x
  2. Step 2: Convert to fraction form
    205,334.40/307,771.20 = 116,630.40/x
  3. Step 3: Cross multiply
    205,334.40x = 307,771.20 × 116,630.40
  4. Step 4: Simplify right side
    205,334.40x = 35,895,478,164.48
  5. Step 5: Solve for x
    x = 35,895,478,164.48/205,334.40
  6. Step 6: Final answer
    x = 174,814.73

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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.