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Finding the Fourth Proportional to 557,405.20, 836,059.20 and 183,428.20

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Solution

The fourth proportional to 557,405.20, 836,059.20 and 183,428.20 is: 275,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,405.20 : 836,059.20 = 183,428.20 : x
  2. Step 2: Convert to fraction form
    557,405.20/836,059.20 = 183,428.20/x
  3. Step 3: Cross multiply
    557,405.20x = 836,059.20 × 183,428.20
  4. Step 4: Simplify right side
    557,405.20x = 153,356,834,149.44
  5. Step 5: Solve for x
    x = 153,356,834,149.44/557,405.20
  6. Step 6: Final answer
    x = 275,126.31

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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.