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Finding the Fourth Proportional to 551,900.80, 827,851.20 and 374,492.80

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Solution

The fourth proportional to 551,900.80, 827,851.20 and 374,492.80 is: 561,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,900.80 : 827,851.20 = 374,492.80 : x
  2. Step 2: Convert to fraction form
    551,900.80/827,851.20 = 374,492.80/x
  3. Step 3: Cross multiply
    551,900.80x = 827,851.20 × 374,492.80
  4. Step 4: Simplify right side
    551,900.80x = 310,024,313,871.36
  5. Step 5: Solve for x
    x = 310,024,313,871.36/551,900.80
  6. Step 6: Final answer
    x = 561,739.20

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Similar ratio
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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.