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Finding the Fourth Proportional to 410,853.20, 616,279.80 and 275,550.80

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Solution

The fourth proportional to 410,853.20, 616,279.80 and 275,550.80 is: 413,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,853.20 : 616,279.80 = 275,550.80 : x
  2. Step 2: Convert to fraction form
    410,853.20/616,279.80 = 275,550.80/x
  3. Step 3: Cross multiply
    410,853.20x = 616,279.80 × 275,550.80
  4. Step 4: Simplify right side
    410,853.20x = 169,816,391,913.84
  5. Step 5: Solve for x
    x = 169,816,391,913.84/410,853.20
  6. Step 6: Final answer
    x = 413,326.20

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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.