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Finding the Fourth Proportional to 567,998.40, 851,997.60 and 168,700.80

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Solution

The fourth proportional to 567,998.40, 851,997.60 and 168,700.80 is: 253,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,998.40 : 851,997.60 = 168,700.80 : x
  2. Step 2: Convert to fraction form
    567,998.40/851,997.60 = 168,700.80/x
  3. Step 3: Cross multiply
    567,998.40x = 851,997.60 × 168,700.80
  4. Step 4: Simplify right side
    567,998.40x = 143,732,676,718.08
  5. Step 5: Solve for x
    x = 143,732,676,718.08/567,998.40
  6. Step 6: Final answer
    x = 253,051.20

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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.