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Finding the Fourth Proportional to 320,017.82, 441,624.84 and 174,825.60

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Solution

The fourth proportional to 320,017.82, 441,624.84 and 174,825.60 is: 241,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,017.82 : 441,624.84 = 174,825.60 : x
  2. Step 2: Convert to fraction form
    320,017.82/441,624.84 = 174,825.60/x
  3. Step 3: Cross multiply
    320,017.82x = 441,624.84 × 174,825.60
  4. Step 4: Simplify right side
    320,017.82x = 77,207,327,627.90
  5. Step 5: Solve for x
    x = 77,207,327,627.90/320,017.82
  6. Step 6: Final answer
    x = 241,259.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.