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Finding the Fourth Proportional to 557,441.90, 769,589.01 and 367,008.90

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Solution

The fourth proportional to 557,441.90, 769,589.01 and 367,008.90 is: 506,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,441.90 : 769,589.01 = 367,008.90 : x
  2. Step 2: Convert to fraction form
    557,441.90/769,589.01 = 367,008.90/x
  3. Step 3: Cross multiply
    557,441.90x = 769,589.01 × 367,008.90
  4. Step 4: Simplify right side
    557,441.90x = 282,446,016,012.19
  5. Step 5: Solve for x
    x = 282,446,016,012.19/557,441.90
  6. Step 6: Final answer
    x = 506,682.43

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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.