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Finding the Fourth Proportional to 410,254.80, 615,727.80 and 161,115.60

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Solution

The fourth proportional to 410,254.80, 615,727.80 and 161,115.60 is: 241,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,254.80 : 615,727.80 = 161,115.60 : x
  2. Step 2: Convert to fraction form
    410,254.80/615,727.80 = 161,115.60/x
  3. Step 3: Cross multiply
    410,254.80x = 615,727.80 × 161,115.60
  4. Step 4: Simplify right side
    410,254.80x = 99,203,353,933.68
  5. Step 5: Solve for x
    x = 99,203,353,933.68/410,254.80
  6. Step 6: Final answer
    x = 241,809.12

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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.