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Finding the Fourth Proportional to 446,655, 616,383.90 and 245,451

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Solution

The fourth proportional to 446,655, 616,383.90 and 245,451 is: 338,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,655 : 616,383.90 = 245,451 : x
  2. Step 2: Convert to fraction form
    446,655/616,383.90 = 245,451/x
  3. Step 3: Cross multiply
    446,655x = 616,383.90 × 245,451
  4. Step 4: Simplify right side
    446,655x = 151,292,044,638.90
  5. Step 5: Solve for x
    x = 151,292,044,638.90/446,655
  6. Step 6: Final answer
    x = 338,722.38

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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.