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Finding the Fourth Proportional to 416,940.24, 575,406.32 and 253,660.44

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Solution

The fourth proportional to 416,940.24, 575,406.32 and 253,660.44 is: 350,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,940.24 : 575,406.32 = 253,660.44 : x
  2. Step 2: Convert to fraction form
    416,940.24/575,406.32 = 253,660.44/x
  3. Step 3: Cross multiply
    416,940.24x = 575,406.32 × 253,660.44
  4. Step 4: Simplify right side
    416,940.24x = 145,957,820,309.98
  5. Step 5: Solve for x
    x = 145,957,820,309.98/416,940.24
  6. Step 6: Final answer
    x = 350,068.92

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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.