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Finding the Fourth Proportional to 543,861.96, 750,528.90 and 302,167

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Solution

The fourth proportional to 543,861.96, 750,528.90 and 302,167 is: 416,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,861.96 : 750,528.90 = 302,167 : x
  2. Step 2: Convert to fraction form
    543,861.96/750,528.90 = 302,167/x
  3. Step 3: Cross multiply
    543,861.96x = 750,528.90 × 302,167
  4. Step 4: Simplify right side
    543,861.96x = 226,785,066,126.30
  5. Step 5: Solve for x
    x = 226,785,066,126.30/543,861.96
  6. Step 6: Final answer
    x = 416,990.12

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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.