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Finding the Fourth Proportional to 416,689.32, 624,847.32 and 248,289.24

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Solution

The fourth proportional to 416,689.32, 624,847.32 and 248,289.24 is: 372,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,689.32 : 624,847.32 = 248,289.24 : x
  2. Step 2: Convert to fraction form
    416,689.32/624,847.32 = 248,289.24/x
  3. Step 3: Cross multiply
    416,689.32x = 624,847.32 × 248,289.24
  4. Step 4: Simplify right side
    416,689.32x = 155,142,866,198.84
  5. Step 5: Solve for x
    x = 155,142,866,198.84/416,689.32
  6. Step 6: Final answer
    x = 372,322.64

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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.