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Finding the Fourth Proportional to 350,582.64, 525,873.96 and 320,169.84

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Solution

The fourth proportional to 350,582.64, 525,873.96 and 320,169.84 is: 480,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,582.64 : 525,873.96 = 320,169.84 : x
  2. Step 2: Convert to fraction form
    350,582.64/525,873.96 = 320,169.84/x
  3. Step 3: Cross multiply
    350,582.64x = 525,873.96 × 320,169.84
  4. Step 4: Simplify right side
    350,582.64x = 168,368,981,633.37
  5. Step 5: Solve for x
    x = 168,368,981,633.37/350,582.64
  6. Step 6: Final answer
    x = 480,254.76

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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.