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Finding the Fourth Proportional to 567,920.40, 851,880.60 and 168,622.80

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Solution

The fourth proportional to 567,920.40, 851,880.60 and 168,622.80 is: 252,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,920.40 : 851,880.60 = 168,622.80 : x
  2. Step 2: Convert to fraction form
    567,920.40/851,880.60 = 168,622.80/x
  3. Step 3: Cross multiply
    567,920.40x = 851,880.60 × 168,622.80
  4. Step 4: Simplify right side
    567,920.40x = 143,646,492,037.68
  5. Step 5: Solve for x
    x = 143,646,492,037.68/567,920.40
  6. Step 6: Final answer
    x = 252,934.20

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Similar ratio
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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.