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Finding the Fourth Proportional to 446,676.12, 616,412.54 and 242,726.56

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Solution

The fourth proportional to 446,676.12, 616,412.54 and 242,726.56 is: 334,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,676.12 : 616,412.54 = 242,726.56 : x
  2. Step 2: Convert to fraction form
    446,676.12/616,412.54 = 242,726.56/x
  3. Step 3: Cross multiply
    446,676.12x = 616,412.54 × 242,726.56
  4. Step 4: Simplify right side
    446,676.12x = 149,619,694,440.85
  5. Step 5: Solve for x
    x = 149,619,694,440.85/446,676.12
  6. Step 6: Final answer
    x = 334,962.38

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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.