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Finding the Fourth Proportional to 324,950.40, 487,231.20 and 167,486.40

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Solution

The fourth proportional to 324,950.40, 487,231.20 and 167,486.40 is: 251,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,950.40 : 487,231.20 = 167,486.40 : x
  2. Step 2: Convert to fraction form
    324,950.40/487,231.20 = 167,486.40/x
  3. Step 3: Cross multiply
    324,950.40x = 487,231.20 × 167,486.40
  4. Step 4: Simplify right side
    324,950.40x = 81,604,599,655.68
  5. Step 5: Solve for x
    x = 81,604,599,655.68/324,950.40
  6. Step 6: Final answer
    x = 251,129.40

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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.