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Finding the Fourth Proportional to 324,059.40, 486,234.90 and 113,848.20

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Solution

The fourth proportional to 324,059.40, 486,234.90 and 113,848.20 is: 170,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,059.40 : 486,234.90 = 113,848.20 : x
  2. Step 2: Convert to fraction form
    324,059.40/486,234.90 = 113,848.20/x
  3. Step 3: Cross multiply
    324,059.40x = 486,234.90 × 113,848.20
  4. Step 4: Simplify right side
    324,059.40x = 55,356,968,142.18
  5. Step 5: Solve for x
    x = 55,356,968,142.18/324,059.40
  6. Step 6: Final answer
    x = 170,823.52

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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.