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Finding the Fourth Proportional to 499,775.70, 749,662.98 and 162,815.84

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Solution

The fourth proportional to 499,775.70, 749,662.98 and 162,815.84 is: 244,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,775.70 : 749,662.98 = 162,815.84 : x
  2. Step 2: Convert to fraction form
    499,775.70/749,662.98 = 162,815.84/x
  3. Step 3: Cross multiply
    499,775.70x = 749,662.98 × 162,815.84
  4. Step 4: Simplify right side
    499,775.70x = 122,057,007,805.60
  5. Step 5: Solve for x
    x = 122,057,007,805.60/499,775.70
  6. Step 6: Final answer
    x = 244,223.57

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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.