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Finding the Fourth Proportional to 451,775.66, 623,468.78 and 270,451.48

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Solution

The fourth proportional to 451,775.66, 623,468.78 and 270,451.48 is: 373,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,775.66 : 623,468.78 = 270,451.48 : x
  2. Step 2: Convert to fraction form
    451,775.66/623,468.78 = 270,451.48/x
  3. Step 3: Cross multiply
    451,775.66x = 623,468.78 × 270,451.48
  4. Step 4: Simplify right side
    451,775.66x = 168,618,054,284.79
  5. Step 5: Solve for x
    x = 168,618,054,284.79/451,775.66
  6. Step 6: Final answer
    x = 373,234.04

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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.