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Finding the Fourth Proportional to 591,262.40, 887,450.40 and 310,980.80

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Solution

The fourth proportional to 591,262.40, 887,450.40 and 310,980.80 is: 466,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,262.40 : 887,450.40 = 310,980.80 : x
  2. Step 2: Convert to fraction form
    591,262.40/887,450.40 = 310,980.80/x
  3. Step 3: Cross multiply
    591,262.40x = 887,450.40 × 310,980.80
  4. Step 4: Simplify right side
    591,262.40x = 275,980,035,352.32
  5. Step 5: Solve for x
    x = 275,980,035,352.32/591,262.40
  6. Step 6: Final answer
    x = 466,764.05

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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.