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Finding the Fourth Proportional to 447,429.48, 617,452.77 and 246,225.48

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Solution

The fourth proportional to 447,429.48, 617,452.77 and 246,225.48 is: 339,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,429.48 : 617,452.77 = 246,225.48 : x
  2. Step 2: Convert to fraction form
    447,429.48/617,452.77 = 246,225.48/x
  3. Step 3: Cross multiply
    447,429.48x = 617,452.77 × 246,225.48
  4. Step 4: Simplify right side
    447,429.48x = 152,032,604,670.58
  5. Step 5: Solve for x
    x = 152,032,604,670.58/447,429.48
  6. Step 6: Final answer
    x = 339,791.21

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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.