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Finding the Fourth Proportional to 458,910.74, 633,076.08 and 297,816.32

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Solution

The fourth proportional to 458,910.74, 633,076.08 and 297,816.32 is: 410,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,910.74 : 633,076.08 = 297,816.32 : x
  2. Step 2: Convert to fraction form
    458,910.74/633,076.08 = 297,816.32/x
  3. Step 3: Cross multiply
    458,910.74x = 633,076.08 × 297,816.32
  4. Step 4: Simplify right side
    458,910.74x = 188,540,388,425.63
  5. Step 5: Solve for x
    x = 188,540,388,425.63/458,910.74
  6. Step 6: Final answer
    x = 410,843.27

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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.