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Finding the Fourth Proportional to 525,873.73, 788,998.31 and 170,889

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Solution

The fourth proportional to 525,873.73, 788,998.31 and 170,889 is: 256,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,873.73 : 788,998.31 = 170,889 : x
  2. Step 2: Convert to fraction form
    525,873.73/788,998.31 = 170,889/x
  3. Step 3: Cross multiply
    525,873.73x = 788,998.31 × 170,889
  4. Step 4: Simplify right side
    525,873.73x = 134,831,132,197.59
  5. Step 5: Solve for x
    x = 134,831,132,197.59/525,873.73
  6. Step 6: Final answer
    x = 256,394.50

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1.5x scale

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.