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Finding the Fourth Proportional to 365,958.60, 504,751.68 and 258,416.52

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Solution

The fourth proportional to 365,958.60, 504,751.68 and 258,416.52 is: 356,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,958.60 : 504,751.68 = 258,416.52 : x
  2. Step 2: Convert to fraction form
    365,958.60/504,751.68 = 258,416.52/x
  3. Step 3: Cross multiply
    365,958.60x = 504,751.68 × 258,416.52
  4. Step 4: Simplify right side
    365,958.60x = 130,436,172,609.75
  5. Step 5: Solve for x
    x = 130,436,172,609.75/365,958.60
  6. Step 6: Final answer
    x = 356,423.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.