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Finding the Fourth Proportional to 541,523.62, 812,409.99 and 181,742.20

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Solution

The fourth proportional to 541,523.62, 812,409.99 and 181,742.20 is: 272,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,523.62 : 812,409.99 = 181,742.20 : x
  2. Step 2: Convert to fraction form
    541,523.62/812,409.99 = 181,742.20/x
  3. Step 3: Cross multiply
    541,523.62x = 812,409.99 × 181,742.20
  4. Step 4: Simplify right side
    541,523.62x = 147,649,178,884.58
  5. Step 5: Solve for x
    x = 147,649,178,884.58/541,523.62
  6. Step 6: Final answer
    x = 272,655.10

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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.