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Finding the Fourth Proportional to 299,481.89, 413,279.47 and 170,417.50

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Solution

The fourth proportional to 299,481.89, 413,279.47 and 170,417.50 is: 235,173.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,481.89 : 413,279.47 = 170,417.50 : x
  2. Step 2: Convert to fraction form
    299,481.89/413,279.47 = 170,417.50/x
  3. Step 3: Cross multiply
    299,481.89x = 413,279.47 × 170,417.50
  4. Step 4: Simplify right side
    299,481.89x = 70,430,054,078.73
  5. Step 5: Solve for x
    x = 70,430,054,078.73/299,481.89
  6. Step 6: Final answer
    x = 235,173.00

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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.