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Finding the Fourth Proportional to 297,009.60, 445,514.40 and 107,469.60

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Solution

The fourth proportional to 297,009.60, 445,514.40 and 107,469.60 is: 161,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,009.60 : 445,514.40 = 107,469.60 : x
  2. Step 2: Convert to fraction form
    297,009.60/445,514.40 = 107,469.60/x
  3. Step 3: Cross multiply
    297,009.60x = 445,514.40 × 107,469.60
  4. Step 4: Simplify right side
    297,009.60x = 47,879,254,362.24
  5. Step 5: Solve for x
    x = 47,879,254,362.24/297,009.60
  6. Step 6: Final answer
    x = 161,204.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.