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Finding the Fourth Proportional to 550,010.40, 823,381.92 and 299,934.24

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Solution

The fourth proportional to 550,010.40, 823,381.92 and 299,934.24 is: 449,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,010.40 : 823,381.92 = 299,934.24 : x
  2. Step 2: Convert to fraction form
    550,010.40/823,381.92 = 299,934.24/x
  3. Step 3: Cross multiply
    550,010.40x = 823,381.92 × 299,934.24
  4. Step 4: Simplify right side
    550,010.40x = 246,960,430,404.94
  5. Step 5: Solve for x
    x = 246,960,430,404.94/550,010.40
  6. Step 6: Final answer
    x = 449,010.47

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1.5x scale

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.