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Finding the Fourth Proportional to 557,567.94, 769,447.44 and 302,919.06

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Solution

The fourth proportional to 557,567.94, 769,447.44 and 302,919.06 is: 418,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,567.94 : 769,447.44 = 302,919.06 : x
  2. Step 2: Convert to fraction form
    557,567.94/769,447.44 = 302,919.06/x
  3. Step 3: Cross multiply
    557,567.94x = 769,447.44 × 302,919.06
  4. Step 4: Simplify right side
    557,567.94x = 233,080,295,244.21
  5. Step 5: Solve for x
    x = 233,080,295,244.21/557,567.94
  6. Step 6: Final answer
    x = 418,030.30

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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.