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Finding the Fourth Proportional to 397,497.60, 596,246.40 and 273,081.60

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Solution

The fourth proportional to 397,497.60, 596,246.40 and 273,081.60 is: 409,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,497.60 : 596,246.40 = 273,081.60 : x
  2. Step 2: Convert to fraction form
    397,497.60/596,246.40 = 273,081.60/x
  3. Step 3: Cross multiply
    397,497.60x = 596,246.40 × 273,081.60
  4. Step 4: Simplify right side
    397,497.60x = 162,823,920,906.24
  5. Step 5: Solve for x
    x = 162,823,920,906.24/397,497.60
  6. Step 6: Final answer
    x = 409,622.40

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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.