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Finding the Fourth Proportional to 441,907.74, 662,347.35 and 252,500.78

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Solution

The fourth proportional to 441,907.74, 662,347.35 and 252,500.78 is: 378,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,907.74 : 662,347.35 = 252,500.78 : x
  2. Step 2: Convert to fraction form
    441,907.74/662,347.35 = 252,500.78/x
  3. Step 3: Cross multiply
    441,907.74x = 662,347.35 × 252,500.78
  4. Step 4: Simplify right side
    441,907.74x = 167,243,219,194.20
  5. Step 5: Solve for x
    x = 167,243,219,194.20/441,907.74
  6. Step 6: Final answer
    x = 378,457.32

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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.