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Finding the Fourth Proportional to 557,414.10, 769,354.20 and 366,445.26

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Solution

The fourth proportional to 557,414.10, 769,354.20 and 366,445.26 is: 505,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,414.10 : 769,354.20 = 366,445.26 : x
  2. Step 2: Convert to fraction form
    557,414.10/769,354.20 = 366,445.26/x
  3. Step 3: Cross multiply
    557,414.10x = 769,354.20 × 366,445.26
  4. Step 4: Simplify right side
    557,414.10x = 281,926,199,851.09
  5. Step 5: Solve for x
    x = 281,926,199,851.09/557,414.10
  6. Step 6: Final answer
    x = 505,775.15

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1.5x scale

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.