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Finding the Fourth Proportional to 379,499.96, 568,585.34 and 338,313.08

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Solution

The fourth proportional to 379,499.96, 568,585.34 and 338,313.08 is: 506,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,499.96 : 568,585.34 = 338,313.08 : x
  2. Step 2: Convert to fraction form
    379,499.96/568,585.34 = 338,313.08/x
  3. Step 3: Cross multiply
    379,499.96x = 568,585.34 × 338,313.08
  4. Step 4: Simplify right side
    379,499.96x = 192,359,857,618.25
  5. Step 5: Solve for x
    x = 192,359,857,618.25/379,499.96
  6. Step 6: Final answer
    x = 506,877.15

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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.