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Finding the Fourth Proportional to 462,814.79, 693,766.68 and 270,445.07

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Solution

The fourth proportional to 462,814.79, 693,766.68 and 270,445.07 is: 405,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,814.79 : 693,766.68 = 270,445.07 : x
  2. Step 2: Convert to fraction form
    462,814.79/693,766.68 = 270,445.07/x
  3. Step 3: Cross multiply
    462,814.79x = 693,766.68 × 270,445.07
  4. Step 4: Simplify right side
    462,814.79x = 187,625,780,387.61
  5. Step 5: Solve for x
    x = 187,625,780,387.61/462,814.79
  6. Step 6: Final answer
    x = 405,401.44

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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.