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Finding the Fourth Proportional to 644,804.20, 967,206.30 and 593,628.40

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Solution

The fourth proportional to 644,804.20, 967,206.30 and 593,628.40 is: 890,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,804.20 : 967,206.30 = 593,628.40 : x
  2. Step 2: Convert to fraction form
    644,804.20/967,206.30 = 593,628.40/x
  3. Step 3: Cross multiply
    644,804.20x = 967,206.30 × 593,628.40
  4. Step 4: Simplify right side
    644,804.20x = 574,161,128,338.92
  5. Step 5: Solve for x
    x = 574,161,128,338.92/644,804.20
  6. Step 6: Final answer
    x = 890,442.60

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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.