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Finding the Fourth Proportional to 494,649.30, 741,995.55 and 162,225.30

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Solution

The fourth proportional to 494,649.30, 741,995.55 and 162,225.30 is: 243,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,649.30 : 741,995.55 = 162,225.30 : x
  2. Step 2: Convert to fraction form
    494,649.30/741,995.55 = 162,225.30/x
  3. Step 3: Cross multiply
    494,649.30x = 741,995.55 × 162,225.30
  4. Step 4: Simplify right side
    494,649.30x = 120,370,450,697.42
  5. Step 5: Solve for x
    x = 120,370,450,697.42/494,649.30
  6. Step 6: Final answer
    x = 243,345.03

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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.