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Finding the Fourth Proportional to 492,241.44, 679,293.60 and 265,887.12

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Solution

The fourth proportional to 492,241.44, 679,293.60 and 265,887.12 is: 366,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,241.44 : 679,293.60 = 265,887.12 : x
  2. Step 2: Convert to fraction form
    492,241.44/679,293.60 = 265,887.12/x
  3. Step 3: Cross multiply
    492,241.44x = 679,293.60 × 265,887.12
  4. Step 4: Simplify right side
    492,241.44x = 180,615,418,938.43
  5. Step 5: Solve for x
    x = 180,615,418,938.43/492,241.44
  6. Step 6: Final answer
    x = 366,924.45

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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.