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Finding the Fourth Proportional to 325,358.40, 487,519.20 and 241,377.60

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Solution

The fourth proportional to 325,358.40, 487,519.20 and 241,377.60 is: 361,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,358.40 : 487,519.20 = 241,377.60 : x
  2. Step 2: Convert to fraction form
    325,358.40/487,519.20 = 241,377.60/x
  3. Step 3: Cross multiply
    325,358.40x = 487,519.20 × 241,377.60
  4. Step 4: Simplify right side
    325,358.40x = 117,676,214,449.92
  5. Step 5: Solve for x
    x = 117,676,214,449.92/325,358.40
  6. Step 6: Final answer
    x = 361,681.81

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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.