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Finding the Fourth Proportional to 357,634.80, 535,577.40 and 170,427.60

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Solution

The fourth proportional to 357,634.80, 535,577.40 and 170,427.60 is: 255,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,634.80 : 535,577.40 = 170,427.60 : x
  2. Step 2: Convert to fraction form
    357,634.80/535,577.40 = 170,427.60/x
  3. Step 3: Cross multiply
    357,634.80x = 535,577.40 × 170,427.60
  4. Step 4: Simplify right side
    357,634.80x = 91,277,170,896.24
  5. Step 5: Solve for x
    x = 91,277,170,896.24/357,634.80
  6. Step 6: Final answer
    x = 255,224.52

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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.