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Finding the Fourth Proportional to 262,808.20, 368,864.60 and 262,808.20

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Solution

The fourth proportional to 262,808.20, 368,864.60 and 262,808.20 is: 368,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,808.20 : 368,864.60 = 262,808.20 : x
  2. Step 2: Convert to fraction form
    262,808.20/368,864.60 = 262,808.20/x
  3. Step 3: Cross multiply
    262,808.20x = 368,864.60 × 262,808.20
  4. Step 4: Simplify right side
    262,808.20x = 96,940,641,569.72
  5. Step 5: Solve for x
    x = 96,940,641,569.72/262,808.20
  6. Step 6: Final answer
    x = 368,864.60

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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.