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Finding the Fourth Proportional to 442,604.76, 662,615.38 and 329,255.34

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Solution

The fourth proportional to 442,604.76, 662,615.38 and 329,255.34 is: 492,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,604.76 : 662,615.38 = 329,255.34 : x
  2. Step 2: Convert to fraction form
    442,604.76/662,615.38 = 329,255.34/x
  3. Step 3: Cross multiply
    442,604.76x = 662,615.38 × 329,255.34
  4. Step 4: Simplify right side
    442,604.76x = 218,169,652,231.13
  5. Step 5: Solve for x
    x = 218,169,652,231.13/442,604.76
  6. Step 6: Final answer
    x = 492,922.06

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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.