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Finding the Fourth Proportional to 368,847.29, 509,004.25 and 207,704.27

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Solution

The fourth proportional to 368,847.29, 509,004.25 and 207,704.27 is: 286,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,847.29 : 509,004.25 = 207,704.27 : x
  2. Step 2: Convert to fraction form
    368,847.29/509,004.25 = 207,704.27/x
  3. Step 3: Cross multiply
    368,847.29x = 509,004.25 × 207,704.27
  4. Step 4: Simplify right side
    368,847.29x = 105,722,353,108.87
  5. Step 5: Solve for x
    x = 105,722,353,108.87/368,847.29
  6. Step 6: Final answer
    x = 286,629.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.