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Finding the Fourth Proportional to 501,578.34, 751,924.64 and 383,775.59

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Solution

The fourth proportional to 501,578.34, 751,924.64 and 383,775.59 is: 575,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,578.34 : 751,924.64 = 383,775.59 : x
  2. Step 2: Convert to fraction form
    501,578.34/751,924.64 = 383,775.59/x
  3. Step 3: Cross multiply
    501,578.34x = 751,924.64 × 383,775.59
  4. Step 4: Simplify right side
    501,578.34x = 288,570,318,818.96
  5. Step 5: Solve for x
    x = 288,570,318,818.96/501,578.34
  6. Step 6: Final answer
    x = 575,324.52

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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.