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Finding the Fourth Proportional to 734,078.80, 1,025,610.80 and 734,078.80

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Solution

The fourth proportional to 734,078.80, 1,025,610.80 and 734,078.80 is: 1,025,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,078.80 : 1,025,610.80 = 734,078.80 : x
  2. Step 2: Convert to fraction form
    734,078.80/1,025,610.80 = 734,078.80/x
  3. Step 3: Cross multiply
    734,078.80x = 1,025,610.80 × 734,078.80
  4. Step 4: Simplify right side
    734,078.80x = 752,879,145,331.04
  5. Step 5: Solve for x
    x = 752,879,145,331.04/734,078.80
  6. Step 6: Final answer
    x = 1,025,610.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.