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Finding the Fourth Proportional to 344,832.80, 516,082.80 and 302,842.40

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Solution

The fourth proportional to 344,832.80, 516,082.80 and 302,842.40 is: 453,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,832.80 : 516,082.80 = 302,842.40 : x
  2. Step 2: Convert to fraction form
    344,832.80/516,082.80 = 302,842.40/x
  3. Step 3: Cross multiply
    344,832.80x = 516,082.80 × 302,842.40
  4. Step 4: Simplify right side
    344,832.80x = 156,291,753,750.72
  5. Step 5: Solve for x
    x = 156,291,753,750.72/344,832.80
  6. Step 6: Final answer
    x = 453,239.23

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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.