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Finding the Fourth Proportional to 259,664.80, 364,055.60 and 259,664.80

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Solution

The fourth proportional to 259,664.80, 364,055.60 and 259,664.80 is: 364,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,664.80 : 364,055.60 = 259,664.80 : x
  2. Step 2: Convert to fraction form
    259,664.80/364,055.60 = 259,664.80/x
  3. Step 3: Cross multiply
    259,664.80x = 364,055.60 × 259,664.80
  4. Step 4: Simplify right side
    259,664.80x = 94,532,424,562.88
  5. Step 5: Solve for x
    x = 94,532,424,562.88/259,664.80
  6. Step 6: Final answer
    x = 364,055.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.