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Finding the Fourth Proportional to 231,875.20, 325,558.40 and 231,875.20

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Solution

The fourth proportional to 231,875.20, 325,558.40 and 231,875.20 is: 325,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,875.20 : 325,558.40 = 231,875.20 : x
  2. Step 2: Convert to fraction form
    231,875.20/325,558.40 = 231,875.20/x
  3. Step 3: Cross multiply
    231,875.20x = 325,558.40 × 231,875.20
  4. Step 4: Simplify right side
    231,875.20x = 75,488,919,111.68
  5. Step 5: Solve for x
    x = 75,488,919,111.68/231,875.20
  6. Step 6: Final answer
    x = 325,558.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.