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Finding the Fourth Proportional to 543,303.88, 814,955.82 and 188,317.90

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Solution

The fourth proportional to 543,303.88, 814,955.82 and 188,317.90 is: 282,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,303.88 : 814,955.82 = 188,317.90 : x
  2. Step 2: Convert to fraction form
    543,303.88/814,955.82 = 188,317.90/x
  3. Step 3: Cross multiply
    543,303.88x = 814,955.82 × 188,317.90
  4. Step 4: Simplify right side
    543,303.88x = 153,470,768,576.12
  5. Step 5: Solve for x
    x = 153,470,768,576.12/543,303.88
  6. Step 6: Final answer
    x = 282,476.85

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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.