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Finding the Fourth Proportional to 472,213.04, 707,770.76 and 269,950.88

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Solution

The fourth proportional to 472,213.04, 707,770.76 and 269,950.88 is: 404,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,213.04 : 707,770.76 = 269,950.88 : x
  2. Step 2: Convert to fraction form
    472,213.04/707,770.76 = 269,950.88/x
  3. Step 3: Cross multiply
    472,213.04x = 707,770.76 × 269,950.88
  4. Step 4: Simplify right side
    472,213.04x = 191,063,337,457.21
  5. Step 5: Solve for x
    x = 191,063,337,457.21/472,213.04
  6. Step 6: Final answer
    x = 404,612.58

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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.