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Finding the Fourth Proportional to 393,816.80, 590,044.80 and 183,022.40

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Solution

The fourth proportional to 393,816.80, 590,044.80 and 183,022.40 is: 274,217.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,816.80 : 590,044.80 = 183,022.40 : x
  2. Step 2: Convert to fraction form
    393,816.80/590,044.80 = 183,022.40/x
  3. Step 3: Cross multiply
    393,816.80x = 590,044.80 × 183,022.40
  4. Step 4: Simplify right side
    393,816.80x = 107,991,415,403.52
  5. Step 5: Solve for x
    x = 107,991,415,403.52/393,816.80
  6. Step 6: Final answer
    x = 274,217.39

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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.