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Finding the Fourth Proportional to 273,407.10, 410,110.65 and 255,911.10

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Solution

The fourth proportional to 273,407.10, 410,110.65 and 255,911.10 is: 383,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,407.10 : 410,110.65 = 255,911.10 : x
  2. Step 2: Convert to fraction form
    273,407.10/410,110.65 = 255,911.10/x
  3. Step 3: Cross multiply
    273,407.10x = 410,110.65 × 255,911.10
  4. Step 4: Simplify right side
    273,407.10x = 104,951,867,563.22
  5. Step 5: Solve for x
    x = 104,951,867,563.22/273,407.10
  6. Step 6: Final answer
    x = 383,866.65

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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.