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Finding the Fourth Proportional to 316,922.40, 475,383.60 and 167,104.80

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Solution

The fourth proportional to 316,922.40, 475,383.60 and 167,104.80 is: 250,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,922.40 : 475,383.60 = 167,104.80 : x
  2. Step 2: Convert to fraction form
    316,922.40/475,383.60 = 167,104.80/x
  3. Step 3: Cross multiply
    316,922.40x = 475,383.60 × 167,104.80
  4. Step 4: Simplify right side
    316,922.40x = 79,438,881,401.28
  5. Step 5: Solve for x
    x = 79,438,881,401.28/316,922.40
  6. Step 6: Final answer
    x = 250,657.20

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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.