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Finding the Fourth Proportional to 557,452.26, 769,280.49 and 302,801.22

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Solution

The fourth proportional to 557,452.26, 769,280.49 and 302,801.22 is: 417,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,452.26 : 769,280.49 = 302,801.22 : x
  2. Step 2: Convert to fraction form
    557,452.26/769,280.49 = 302,801.22/x
  3. Step 3: Cross multiply
    557,452.26x = 769,280.49 × 302,801.22
  4. Step 4: Simplify right side
    557,452.26x = 232,939,070,894.20
  5. Step 5: Solve for x
    x = 232,939,070,894.20/557,452.26
  6. Step 6: Final answer
    x = 417,863.71

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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.