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Finding the Fourth Proportional to 432,004.80, 647,132.40 and 244,797.60

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Solution

The fourth proportional to 432,004.80, 647,132.40 and 244,797.60 is: 366,700.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,004.80 : 647,132.40 = 244,797.60 : x
  2. Step 2: Convert to fraction form
    432,004.80/647,132.40 = 244,797.60/x
  3. Step 3: Cross multiply
    432,004.80x = 647,132.40 × 244,797.60
  4. Step 4: Simplify right side
    432,004.80x = 158,416,458,402.24
  5. Step 5: Solve for x
    x = 158,416,458,402.24/432,004.80
  6. Step 6: Final answer
    x = 366,700.69

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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.