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Finding the Fourth Proportional to 525,644.44, 788,565.17 and 245,161.69

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Solution

The fourth proportional to 525,644.44, 788,565.17 and 245,161.69 is: 367,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,644.44 : 788,565.17 = 245,161.69 : x
  2. Step 2: Convert to fraction form
    525,644.44/788,565.17 = 245,161.69/x
  3. Step 3: Cross multiply
    525,644.44x = 788,565.17 × 245,161.69
  4. Step 4: Simplify right side
    525,644.44x = 193,325,968,393.83
  5. Step 5: Solve for x
    x = 193,325,968,393.83/525,644.44
  6. Step 6: Final answer
    x = 367,788.48

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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.