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Finding the Fourth Proportional to 499,884.90, 749,936.70 and 162,868.20

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Solution

The fourth proportional to 499,884.90, 749,936.70 and 162,868.20 is: 244,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,884.90 : 749,936.70 = 162,868.20 : x
  2. Step 2: Convert to fraction form
    499,884.90/749,936.70 = 162,868.20/x
  3. Step 3: Cross multiply
    499,884.90x = 749,936.70 × 162,868.20
  4. Step 4: Simplify right side
    499,884.90x = 122,140,840,442.94
  5. Step 5: Solve for x
    x = 122,140,840,442.94/499,884.90
  6. Step 6: Final answer
    x = 244,337.93

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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.