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Finding the Fourth Proportional to 350,969.09, 526,448.97 and 84,728.16

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Solution

The fourth proportional to 350,969.09, 526,448.97 and 84,728.16 is: 127,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,969.09 : 526,448.97 = 84,728.16 : x
  2. Step 2: Convert to fraction form
    350,969.09/526,448.97 = 84,728.16/x
  3. Step 3: Cross multiply
    350,969.09x = 526,448.97 × 84,728.16
  4. Step 4: Simplify right side
    350,969.09x = 44,605,052,562.00
  5. Step 5: Solve for x
    x = 44,605,052,562.00/350,969.09
  6. Step 6: Final answer
    x = 127,091.12

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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.