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Finding the Fourth Proportional to 462,672.60, 693,231.30 and 304,819.80

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Solution

The fourth proportional to 462,672.60, 693,231.30 and 304,819.80 is: 456,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,672.60 : 693,231.30 = 304,819.80 : x
  2. Step 2: Convert to fraction form
    462,672.60/693,231.30 = 304,819.80/x
  3. Step 3: Cross multiply
    462,672.60x = 693,231.30 × 304,819.80
  4. Step 4: Simplify right side
    462,672.60x = 211,310,626,219.74
  5. Step 5: Solve for x
    x = 211,310,626,219.74/462,672.60
  6. Step 6: Final answer
    x = 456,717.40

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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.