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Finding the Fourth Proportional to 379,969.93, 570,111.90 and 166,627.45

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Solution

The fourth proportional to 379,969.93, 570,111.90 and 166,627.45 is: 250,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,969.93 : 570,111.90 = 166,627.45 : x
  2. Step 2: Convert to fraction form
    379,969.93/570,111.90 = 166,627.45/x
  3. Step 3: Cross multiply
    379,969.93x = 570,111.90 × 166,627.45
  4. Step 4: Simplify right side
    379,969.93x = 94,996,292,111.66
  5. Step 5: Solve for x
    x = 94,996,292,111.66/379,969.93
  6. Step 6: Final answer
    x = 250,010.03

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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.