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Finding the Fourth Proportional to 262,837.20, 368,905.20 and 262,837.20

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Solution

The fourth proportional to 262,837.20, 368,905.20 and 262,837.20 is: 368,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,837.20 : 368,905.20 = 262,837.20 : x
  2. Step 2: Convert to fraction form
    262,837.20/368,905.20 = 262,837.20/x
  3. Step 3: Cross multiply
    262,837.20x = 368,905.20 × 262,837.20
  4. Step 4: Simplify right side
    262,837.20x = 96,962,009,833.44
  5. Step 5: Solve for x
    x = 96,962,009,833.44/262,837.20
  6. Step 6: Final answer
    x = 368,905.20

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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.