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Finding the Fourth Proportional to 700,930.46, 967,287.83 and 395,011.59

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Solution

The fourth proportional to 700,930.46, 967,287.83 and 395,011.59 is: 545,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,930.46 : 967,287.83 = 395,011.59 : x
  2. Step 2: Convert to fraction form
    700,930.46/967,287.83 = 395,011.59/x
  3. Step 3: Cross multiply
    700,930.46x = 967,287.83 × 395,011.59
  4. Step 4: Simplify right side
    700,930.46x = 382,089,898,113.56
  5. Step 5: Solve for x
    x = 382,089,898,113.56/700,930.46
  6. Step 6: Final answer
    x = 545,118.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.