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Finding the Fourth Proportional to 288,800.80, 433,201.20 and 122,567.20

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Solution

The fourth proportional to 288,800.80, 433,201.20 and 122,567.20 is: 183,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,800.80 : 433,201.20 = 122,567.20 : x
  2. Step 2: Convert to fraction form
    288,800.80/433,201.20 = 122,567.20/x
  3. Step 3: Cross multiply
    288,800.80x = 433,201.20 × 122,567.20
  4. Step 4: Simplify right side
    288,800.80x = 53,096,258,120.64
  5. Step 5: Solve for x
    x = 53,096,258,120.64/288,800.80
  6. Step 6: Final answer
    x = 183,850.80

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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.