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Finding the Fourth Proportional to 273,683.80, 410,832.90 and 211,629.40

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Solution

The fourth proportional to 273,683.80, 410,832.90 and 211,629.40 is: 317,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,683.80 : 410,832.90 = 211,629.40 : x
  2. Step 2: Convert to fraction form
    273,683.80/410,832.90 = 211,629.40/x
  3. Step 3: Cross multiply
    273,683.80x = 410,832.90 × 211,629.40
  4. Step 4: Simplify right side
    273,683.80x = 86,944,320,127.26
  5. Step 5: Solve for x
    x = 86,944,320,127.26/273,683.80
  6. Step 6: Final answer
    x = 317,681.65

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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.