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Finding the Fourth Proportional to 541,323.40, 811,908.30 and 167,384.20

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Solution

The fourth proportional to 541,323.40, 811,908.30 and 167,384.20 is: 251,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,323.40 : 811,908.30 = 167,384.20 : x
  2. Step 2: Convert to fraction form
    541,323.40/811,908.30 = 167,384.20/x
  3. Step 3: Cross multiply
    541,323.40x = 811,908.30 × 167,384.20
  4. Step 4: Simplify right side
    541,323.40x = 135,900,621,268.86
  5. Step 5: Solve for x
    x = 135,900,621,268.86/541,323.40
  6. Step 6: Final answer
    x = 251,052.55

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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.