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Finding the Fourth Proportional to 380,855.60, 571,285.44 and 114,614.30

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Solution

The fourth proportional to 380,855.60, 571,285.44 and 114,614.30 is: 171,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,855.60 : 571,285.44 = 114,614.30 : x
  2. Step 2: Convert to fraction form
    380,855.60/571,285.44 = 114,614.30/x
  3. Step 3: Cross multiply
    380,855.60x = 571,285.44 × 114,614.30
  4. Step 4: Simplify right side
    380,855.60x = 65,477,480,805.79
  5. Step 5: Solve for x
    x = 65,477,480,805.79/380,855.60
  6. Step 6: Final answer
    x = 171,922.06

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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.