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Finding the Fourth Proportional to 353,525.35, 488,109.06 and 330,939.10

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Solution

The fourth proportional to 353,525.35, 488,109.06 and 330,939.10 is: 456,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,525.35 : 488,109.06 = 330,939.10 : x
  2. Step 2: Convert to fraction form
    353,525.35/488,109.06 = 330,939.10/x
  3. Step 3: Cross multiply
    353,525.35x = 488,109.06 × 330,939.10
  4. Step 4: Simplify right side
    353,525.35x = 161,534,373,018.25
  5. Step 5: Solve for x
    x = 161,534,373,018.25/353,525.35
  6. Step 6: Final answer
    x = 456,924.44

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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.