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Finding the Fourth Proportional to 499,942.60, 750,032.70 and 162,985.48

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Solution

The fourth proportional to 499,942.60, 750,032.70 and 162,985.48 is: 244,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,942.60 : 750,032.70 = 162,985.48 : x
  2. Step 2: Convert to fraction form
    499,942.60/750,032.70 = 162,985.48/x
  3. Step 3: Cross multiply
    499,942.60x = 750,032.70 × 162,985.48
  4. Step 4: Simplify right side
    499,942.60x = 122,244,439,625.20
  5. Step 5: Solve for x
    x = 122,244,439,625.20/499,942.60
  6. Step 6: Final answer
    x = 244,516.95

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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.