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Finding the Fourth Proportional to 446,243, 615,753.36 and 262,489.90

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Solution

The fourth proportional to 446,243, 615,753.36 and 262,489.90 is: 362,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,243 : 615,753.36 = 262,489.90 : x
  2. Step 2: Convert to fraction form
    446,243/615,753.36 = 262,489.90/x
  3. Step 3: Cross multiply
    446,243x = 615,753.36 × 262,489.90
  4. Step 4: Simplify right side
    446,243x = 161,629,037,891.06
  5. Step 5: Solve for x
    x = 161,629,037,891.06/446,243
  6. Step 6: Final answer
    x = 362,199.60

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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.