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Finding the Fourth Proportional to 447,230.20, 670,715.70 and 162,887.80

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Solution

The fourth proportional to 447,230.20, 670,715.70 and 162,887.80 is: 244,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,230.20 : 670,715.70 = 162,887.80 : x
  2. Step 2: Convert to fraction form
    447,230.20/670,715.70 = 162,887.80/x
  3. Step 3: Cross multiply
    447,230.20x = 670,715.70 × 162,887.80
  4. Step 4: Simplify right side
    447,230.20x = 109,251,404,798.46
  5. Step 5: Solve for x
    x = 109,251,404,798.46/447,230.20
  6. Step 6: Final answer
    x = 244,284.50

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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.