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Finding the Fourth Proportional to 404,040.64, 606,070.16 and 119,725.80

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Solution

The fourth proportional to 404,040.64, 606,070.16 and 119,725.80 is: 179,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,040.64 : 606,070.16 = 119,725.80 : x
  2. Step 2: Convert to fraction form
    404,040.64/606,070.16 = 119,725.80/x
  3. Step 3: Cross multiply
    404,040.64x = 606,070.16 × 119,725.80
  4. Step 4: Simplify right side
    404,040.64x = 72,562,234,762.13
  5. Step 5: Solve for x
    x = 72,562,234,762.13/404,040.64
  6. Step 6: Final answer
    x = 179,591.43

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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.