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Finding the Fourth Proportional to 550,663.58, 825,820.34 and 374,303.90

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Solution

The fourth proportional to 550,663.58, 825,820.34 and 374,303.90 is: 561,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,663.58 : 825,820.34 = 374,303.90 : x
  2. Step 2: Convert to fraction form
    550,663.58/825,820.34 = 374,303.90/x
  3. Step 3: Cross multiply
    550,663.58x = 825,820.34 × 374,303.90
  4. Step 4: Simplify right side
    550,663.58x = 309,107,773,961.33
  5. Step 5: Solve for x
    x = 309,107,773,961.33/550,663.58
  6. Step 6: Final answer
    x = 561,336.88

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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.