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Finding the Fourth Proportional to 589,548.80, 884,323.20 and 339,939.20

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Solution

The fourth proportional to 589,548.80, 884,323.20 and 339,939.20 is: 509,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,548.80 : 884,323.20 = 339,939.20 : x
  2. Step 2: Convert to fraction form
    589,548.80/884,323.20 = 339,939.20/x
  3. Step 3: Cross multiply
    589,548.80x = 884,323.20 × 339,939.20
  4. Step 4: Simplify right side
    589,548.80x = 300,616,121,149.44
  5. Step 5: Solve for x
    x = 300,616,121,149.44/589,548.80
  6. Step 6: Final answer
    x = 509,908.80

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1.5x scale

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.