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Finding the Fourth Proportional to 825,660.80, 1,237,324.80 and 610,751.60

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Solution

The fourth proportional to 825,660.80, 1,237,324.80 and 610,751.60 is: 915,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,660.80 : 1,237,324.80 = 610,751.60 : x
  2. Step 2: Convert to fraction form
    825,660.80/1,237,324.80 = 610,751.60/x
  3. Step 3: Cross multiply
    825,660.80x = 1,237,324.80 × 610,751.60
  4. Step 4: Simplify right side
    825,660.80x = 755,698,101,319.68
  5. Step 5: Solve for x
    x = 755,698,101,319.68/825,660.80
  6. Step 6: Final answer
    x = 915,264.60

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1.5x scale

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.