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Finding the Fourth Proportional to 525,327.73, 788,106.71 and 170,377.63

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Solution

The fourth proportional to 525,327.73, 788,106.71 and 170,377.63 is: 255,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,327.73 : 788,106.71 = 170,377.63 : x
  2. Step 2: Convert to fraction form
    525,327.73/788,106.71 = 170,377.63/x
  3. Step 3: Cross multiply
    525,327.73x = 788,106.71 × 170,377.63
  4. Step 4: Simplify right side
    525,327.73x = 134,275,751,892.58
  5. Step 5: Solve for x
    x = 134,275,751,892.58/525,327.73
  6. Step 6: Final answer
    x = 255,603.78

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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.