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Finding the Fourth Proportional to 578,760.48, 798,722.65 and 324,109.44

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Solution

The fourth proportional to 578,760.48, 798,722.65 and 324,109.44 is: 447,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,760.48 : 798,722.65 = 324,109.44 : x
  2. Step 2: Convert to fraction form
    578,760.48/798,722.65 = 324,109.44/x
  3. Step 3: Cross multiply
    578,760.48x = 798,722.65 × 324,109.44
  4. Step 4: Simplify right side
    578,760.48x = 258,873,547,001.33
  5. Step 5: Solve for x
    x = 258,873,547,001.33/578,760.48
  6. Step 6: Final answer
    x = 447,289.61

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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.