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Finding the Fourth Proportional to 366,970.05, 550,455.09 and 310,982.85

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Solution

The fourth proportional to 366,970.05, 550,455.09 and 310,982.85 is: 466,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.05 : 550,455.09 = 310,982.85 : x
  2. Step 2: Convert to fraction form
    366,970.05/550,455.09 = 310,982.85/x
  3. Step 3: Cross multiply
    366,970.05x = 550,455.09 × 310,982.85
  4. Step 4: Simplify right side
    366,970.05x = 171,182,092,685.21
  5. Step 5: Solve for x
    x = 171,182,092,685.21/366,970.05
  6. Step 6: Final answer
    x = 466,474.29

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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.