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Finding the Fourth Proportional to 447,627.40, 671,210.70 and 167,000.20

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Solution

The fourth proportional to 447,627.40, 671,210.70 and 167,000.20 is: 250,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,627.40 : 671,210.70 = 167,000.20 : x
  2. Step 2: Convert to fraction form
    447,627.40/671,210.70 = 167,000.20/x
  3. Step 3: Cross multiply
    447,627.40x = 671,210.70 × 167,000.20
  4. Step 4: Simplify right side
    447,627.40x = 112,092,321,142.14
  5. Step 5: Solve for x
    x = 112,092,321,142.14/447,627.40
  6. Step 6: Final answer
    x = 250,414.34

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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.