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Finding the Fourth Proportional to 273,176.60, 409,764.90 and 166,888.40

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Solution

The fourth proportional to 273,176.60, 409,764.90 and 166,888.40 is: 250,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,176.60 : 409,764.90 = 166,888.40 : x
  2. Step 2: Convert to fraction form
    273,176.60/409,764.90 = 166,888.40/x
  3. Step 3: Cross multiply
    273,176.60x = 409,764.90 × 166,888.40
  4. Step 4: Simplify right side
    273,176.60x = 68,385,008,537.16
  5. Step 5: Solve for x
    x = 68,385,008,537.16/273,176.60
  6. Step 6: Final answer
    x = 250,332.60

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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.