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Finding the Fourth Proportional to 373,313.80, 558,804.30 and 268,337.80

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Solution

The fourth proportional to 373,313.80, 558,804.30 and 268,337.80 is: 401,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,313.80 : 558,804.30 = 268,337.80 : x
  2. Step 2: Convert to fraction form
    373,313.80/558,804.30 = 268,337.80/x
  3. Step 3: Cross multiply
    373,313.80x = 558,804.30 × 268,337.80
  4. Step 4: Simplify right side
    373,313.80x = 149,948,316,492.54
  5. Step 5: Solve for x
    x = 149,948,316,492.54/373,313.80
  6. Step 6: Final answer
    x = 401,668.29

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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.