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Finding the Fourth Proportional to 402,846.80, 604,270.37 and 103,327.37

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Solution

The fourth proportional to 402,846.80, 604,270.37 and 103,327.37 is: 154,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,846.80 : 604,270.37 = 103,327.37 : x
  2. Step 2: Convert to fraction form
    402,846.80/604,270.37 = 103,327.37/x
  3. Step 3: Cross multiply
    402,846.80x = 604,270.37 × 103,327.37
  4. Step 4: Simplify right side
    402,846.80x = 62,437,664,563.04
  5. Step 5: Solve for x
    x = 62,437,664,563.04/402,846.80
  6. Step 6: Final answer
    x = 154,991.09

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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.