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Finding the Fourth Proportional to 273,609.83, 377,587.92 and 171,639.59

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Solution

The fourth proportional to 273,609.83, 377,587.92 and 171,639.59 is: 236,866.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,609.83 : 377,587.92 = 171,639.59 : x
  2. Step 2: Convert to fraction form
    273,609.83/377,587.92 = 171,639.59/x
  3. Step 3: Cross multiply
    273,609.83x = 377,587.92 × 171,639.59
  4. Step 4: Simplify right side
    273,609.83x = 64,809,033,889.81
  5. Step 5: Solve for x
    x = 64,809,033,889.81/273,609.83
  6. Step 6: Final answer
    x = 236,866.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.