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Finding the Fourth Proportional to 600,674.69, 828,931.46 and 328,742.49

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Solution

The fourth proportional to 600,674.69, 828,931.46 and 328,742.49 is: 453,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,674.69 : 828,931.46 = 328,742.49 : x
  2. Step 2: Convert to fraction form
    600,674.69/828,931.46 = 328,742.49/x
  3. Step 3: Cross multiply
    600,674.69x = 828,931.46 × 328,742.49
  4. Step 4: Simplify right side
    600,674.69x = 272,504,990,556.02
  5. Step 5: Solve for x
    x = 272,504,990,556.02/600,674.69
  6. Step 6: Final answer
    x = 453,664.85

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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.