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Finding the Fourth Proportional to 572,002.92, 789,478.92 and 330,324.84

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Solution

The fourth proportional to 572,002.92, 789,478.92 and 330,324.84 is: 455,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,002.92 : 789,478.92 = 330,324.84 : x
  2. Step 2: Convert to fraction form
    572,002.92/789,478.92 = 330,324.84/x
  3. Step 3: Cross multiply
    572,002.92x = 789,478.92 × 330,324.84
  4. Step 4: Simplify right side
    572,002.92x = 260,784,497,932.37
  5. Step 5: Solve for x
    x = 260,784,497,932.37/572,002.92
  6. Step 6: Final answer
    x = 455,914.63

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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.