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Finding the Fourth Proportional to 362,574.70, 543,862.05 and 308,920.30

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Solution

The fourth proportional to 362,574.70, 543,862.05 and 308,920.30 is: 463,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,574.70 : 543,862.05 = 308,920.30 : x
  2. Step 2: Convert to fraction form
    362,574.70/543,862.05 = 308,920.30/x
  3. Step 3: Cross multiply
    362,574.70x = 543,862.05 × 308,920.30
  4. Step 4: Simplify right side
    362,574.70x = 168,010,027,644.62
  5. Step 5: Solve for x
    x = 168,010,027,644.62/362,574.70
  6. Step 6: Final answer
    x = 463,380.45

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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.