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Finding the Fourth Proportional to 827,606.40, 1,241,409.60 and 589,660.80

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Solution

The fourth proportional to 827,606.40, 1,241,409.60 and 589,660.80 is: 884,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,606.40 : 1,241,409.60 = 589,660.80 : x
  2. Step 2: Convert to fraction form
    827,606.40/1,241,409.60 = 589,660.80/x
  3. Step 3: Cross multiply
    827,606.40x = 1,241,409.60 × 589,660.80
  4. Step 4: Simplify right side
    827,606.40x = 732,010,577,863.68
  5. Step 5: Solve for x
    x = 732,010,577,863.68/827,606.40
  6. Step 6: Final answer
    x = 884,491.20

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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.