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Finding the Fourth Proportional to 733,657.80, 1,100,486.70 and 670,672.20

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Solution

The fourth proportional to 733,657.80, 1,100,486.70 and 670,672.20 is: 1,006,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,657.80 : 1,100,486.70 = 670,672.20 : x
  2. Step 2: Convert to fraction form
    733,657.80/1,100,486.70 = 670,672.20/x
  3. Step 3: Cross multiply
    733,657.80x = 1,100,486.70 × 670,672.20
  4. Step 4: Simplify right side
    733,657.80x = 738,065,836,159.74
  5. Step 5: Solve for x
    x = 738,065,836,159.74/733,657.80
  6. Step 6: Final answer
    x = 1,006,008.30

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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.