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Finding the Fourth Proportional to 557,406.20, 836,060.70 and 183,429.20

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Solution

The fourth proportional to 557,406.20, 836,060.70 and 183,429.20 is: 275,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,406.20 : 836,060.70 = 183,429.20 : x
  2. Step 2: Convert to fraction form
    557,406.20/836,060.70 = 183,429.20/x
  3. Step 3: Cross multiply
    557,406.20x = 836,060.70 × 183,429.20
  4. Step 4: Simplify right side
    557,406.20x = 153,357,945,352.44
  5. Step 5: Solve for x
    x = 153,357,945,352.44/557,406.20
  6. Step 6: Final answer
    x = 275,127.81

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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.