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Finding the Fourth Proportional to 644,889.90, 967,451.76 and 526,000.68

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Solution

The fourth proportional to 644,889.90, 967,451.76 and 526,000.68 is: 789,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,889.90 : 967,451.76 = 526,000.68 : x
  2. Step 2: Convert to fraction form
    644,889.90/967,451.76 = 526,000.68/x
  3. Step 3: Cross multiply
    644,889.90x = 967,451.76 × 526,000.68
  4. Step 4: Simplify right side
    644,889.90x = 508,880,283,627.20
  5. Step 5: Solve for x
    x = 508,880,283,627.20/644,889.90
  6. Step 6: Final answer
    x = 789,096.38

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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.