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Finding the Fourth Proportional to 404,616.80, 606,244.80 and 320,052.80

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Solution

The fourth proportional to 404,616.80, 606,244.80 and 320,052.80 is: 479,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,616.80 : 606,244.80 = 320,052.80 : x
  2. Step 2: Convert to fraction form
    404,616.80/606,244.80 = 320,052.80/x
  3. Step 3: Cross multiply
    404,616.80x = 606,244.80 × 320,052.80
  4. Step 4: Simplify right side
    404,616.80x = 194,030,345,725.44
  5. Step 5: Solve for x
    x = 194,030,345,725.44/404,616.80
  6. Step 6: Final answer
    x = 479,541.00

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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.