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Finding the Fourth Proportional to 273,386.10, 410,516.55 and 206,901.30

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Solution

The fourth proportional to 273,386.10, 410,516.55 and 206,901.30 is: 310,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,386.10 : 410,516.55 = 206,901.30 : x
  2. Step 2: Convert to fraction form
    273,386.10/410,516.55 = 206,901.30/x
  3. Step 3: Cross multiply
    273,386.10x = 410,516.55 × 206,901.30
  4. Step 4: Simplify right side
    273,386.10x = 84,936,407,866.52
  5. Step 5: Solve for x
    x = 84,936,407,866.52/273,386.10
  6. Step 6: Final answer
    x = 310,682.98

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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.