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Finding the Fourth Proportional to 416,482.44, 624,723.66 and 100,939.36

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Solution

The fourth proportional to 416,482.44, 624,723.66 and 100,939.36 is: 151,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,482.44 : 624,723.66 = 100,939.36 : x
  2. Step 2: Convert to fraction form
    416,482.44/624,723.66 = 100,939.36/x
  3. Step 3: Cross multiply
    416,482.44x = 624,723.66 × 100,939.36
  4. Step 4: Simplify right side
    416,482.44x = 63,059,206,417.26
  5. Step 5: Solve for x
    x = 63,059,206,417.26/416,482.44
  6. Step 6: Final answer
    x = 151,409.04

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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.