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Finding the Fourth Proportional to 548,034.40, 822,051.60 and 449,619.40

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Solution

The fourth proportional to 548,034.40, 822,051.60 and 449,619.40 is: 674,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,034.40 : 822,051.60 = 449,619.40 : x
  2. Step 2: Convert to fraction form
    548,034.40/822,051.60 = 449,619.40/x
  3. Step 3: Cross multiply
    548,034.40x = 822,051.60 × 449,619.40
  4. Step 4: Simplify right side
    548,034.40x = 369,610,347,161.04
  5. Step 5: Solve for x
    x = 369,610,347,161.04/548,034.40
  6. Step 6: Final answer
    x = 674,429.10

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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.