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Finding the Fourth Proportional to 574,181.73, 861,465.78 and 254,289.24

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Solution

The fourth proportional to 574,181.73, 861,465.78 and 254,289.24 is: 381,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,181.73 : 861,465.78 = 254,289.24 : x
  2. Step 2: Convert to fraction form
    574,181.73/861,465.78 = 254,289.24/x
  3. Step 3: Cross multiply
    574,181.73x = 861,465.78 × 254,289.24
  4. Step 4: Simplify right side
    574,181.73x = 219,061,478,482.21
  5. Step 5: Solve for x
    x = 219,061,478,482.21/574,181.73
  6. Step 6: Final answer
    x = 381,519.42

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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.