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Finding the Fourth Proportional to 267,657.60, 401,486.40 and 263,510.40

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Solution

The fourth proportional to 267,657.60, 401,486.40 and 263,510.40 is: 395,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,657.60 : 401,486.40 = 263,510.40 : x
  2. Step 2: Convert to fraction form
    267,657.60/401,486.40 = 263,510.40/x
  3. Step 3: Cross multiply
    267,657.60x = 401,486.40 × 263,510.40
  4. Step 4: Simplify right side
    267,657.60x = 105,795,841,858.56
  5. Step 5: Solve for x
    x = 105,795,841,858.56/267,657.60
  6. Step 6: Final answer
    x = 395,265.60

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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.