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Finding the Fourth Proportional to 325,851.80, 488,777.70 and 101,210.45

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Solution

The fourth proportional to 325,851.80, 488,777.70 and 101,210.45 is: 151,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,851.80 : 488,777.70 = 101,210.45 : x
  2. Step 2: Convert to fraction form
    325,851.80/488,777.70 = 101,210.45/x
  3. Step 3: Cross multiply
    325,851.80x = 488,777.70 × 101,210.45
  4. Step 4: Simplify right side
    325,851.80x = 49,469,410,966.97
  5. Step 5: Solve for x
    x = 49,469,410,966.97/325,851.80
  6. Step 6: Final answer
    x = 151,815.68

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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.