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Finding the Fourth Proportional to 474,258.72, 654,498 and 273,119.52

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Solution

The fourth proportional to 474,258.72, 654,498 and 273,119.52 is: 376,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,258.72 : 654,498 = 273,119.52 : x
  2. Step 2: Convert to fraction form
    474,258.72/654,498 = 273,119.52/x
  3. Step 3: Cross multiply
    474,258.72x = 654,498 × 273,119.52
  4. Step 4: Simplify right side
    474,258.72x = 178,756,179,600.96
  5. Step 5: Solve for x
    x = 178,756,179,600.96/474,258.72
  6. Step 6: Final answer
    x = 376,917.01

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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.