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Finding the Fourth Proportional to 526,328.73, 726,289.79 and 296,873.37

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Solution

The fourth proportional to 526,328.73, 726,289.79 and 296,873.37 is: 409,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,328.73 : 726,289.79 = 296,873.37 : x
  2. Step 2: Convert to fraction form
    526,328.73/726,289.79 = 296,873.37/x
  3. Step 3: Cross multiply
    526,328.73x = 726,289.79 × 296,873.37
  4. Step 4: Simplify right side
    526,328.73x = 215,616,096,069.53
  5. Step 5: Solve for x
    x = 215,616,096,069.53/526,328.73
  6. Step 6: Final answer
    x = 409,660.51

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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.