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Finding the Fourth Proportional to 325,032.40, 487,354.20 and 167,568.40

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Solution

The fourth proportional to 325,032.40, 487,354.20 and 167,568.40 is: 251,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,032.40 : 487,354.20 = 167,568.40 : x
  2. Step 2: Convert to fraction form
    325,032.40/487,354.20 = 167,568.40/x
  3. Step 3: Cross multiply
    325,032.40x = 487,354.20 × 167,568.40
  4. Step 4: Simplify right side
    325,032.40x = 81,665,163,527.28
  5. Step 5: Solve for x
    x = 81,665,163,527.28/325,032.40
  6. Step 6: Final answer
    x = 251,252.38

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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.