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Finding the Fourth Proportional to 541,426.76, 812,938.49 and 302,008.43

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Solution

The fourth proportional to 541,426.76, 812,938.49 and 302,008.43 is: 453,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,426.76 : 812,938.49 = 302,008.43 : x
  2. Step 2: Convert to fraction form
    541,426.76/812,938.49 = 302,008.43/x
  3. Step 3: Cross multiply
    541,426.76x = 812,938.49 × 302,008.43
  4. Step 4: Simplify right side
    541,426.76x = 245,514,278,706.31
  5. Step 5: Solve for x
    x = 245,514,278,706.31/541,426.76
  6. Step 6: Final answer
    x = 453,457.97

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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.