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Finding the Fourth Proportional to 543,308.19, 814,777.74 and 188,239.34

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Solution

The fourth proportional to 543,308.19, 814,777.74 and 188,239.34 is: 282,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,308.19 : 814,777.74 = 188,239.34 : x
  2. Step 2: Convert to fraction form
    543,308.19/814,777.74 = 188,239.34/x
  3. Step 3: Cross multiply
    543,308.19x = 814,777.74 × 188,239.34
  4. Step 4: Simplify right side
    543,308.19x = 153,373,219,950.40
  5. Step 5: Solve for x
    x = 153,373,219,950.40/543,308.19
  6. Step 6: Final answer
    x = 282,295.06

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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.