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Finding the Fourth Proportional to 567,845.40, 851,768.10 and 168,547.80

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Solution

The fourth proportional to 567,845.40, 851,768.10 and 168,547.80 is: 252,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,845.40 : 851,768.10 = 168,547.80 : x
  2. Step 2: Convert to fraction form
    567,845.40/851,768.10 = 168,547.80/x
  3. Step 3: Cross multiply
    567,845.40x = 851,768.10 × 168,547.80
  4. Step 4: Simplify right side
    567,845.40x = 143,563,639,365.18
  5. Step 5: Solve for x
    x = 143,563,639,365.18/567,845.40
  6. Step 6: Final answer
    x = 252,821.70

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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.