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Finding the Fourth Proportional to 273,904.80, 410,857.20 and 185,258.40

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Solution

The fourth proportional to 273,904.80, 410,857.20 and 185,258.40 is: 277,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,904.80 : 410,857.20 = 185,258.40 : x
  2. Step 2: Convert to fraction form
    273,904.80/410,857.20 = 185,258.40/x
  3. Step 3: Cross multiply
    273,904.80x = 410,857.20 × 185,258.40
  4. Step 4: Simplify right side
    273,904.80x = 76,114,747,500.48
  5. Step 5: Solve for x
    x = 76,114,747,500.48/273,904.80
  6. Step 6: Final answer
    x = 277,887.60

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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.