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Finding the Fourth Proportional to 330,582.09, 456,201 and 179,679.09

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Solution

The fourth proportional to 330,582.09, 456,201 and 179,679.09 is: 247,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,582.09 : 456,201 = 179,679.09 : x
  2. Step 2: Convert to fraction form
    330,582.09/456,201 = 179,679.09/x
  3. Step 3: Cross multiply
    330,582.09x = 456,201 × 179,679.09
  4. Step 4: Simplify right side
    330,582.09x = 81,969,780,537.09
  5. Step 5: Solve for x
    x = 81,969,780,537.09/330,582.09
  6. Step 6: Final answer
    x = 247,955.90

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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.