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Finding the Fourth Proportional to 606,943.80, 910,537.20 and 180,478.80

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Solution

The fourth proportional to 606,943.80, 910,537.20 and 180,478.80 is: 270,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,943.80 : 910,537.20 = 180,478.80 : x
  2. Step 2: Convert to fraction form
    606,943.80/910,537.20 = 180,478.80/x
  3. Step 3: Cross multiply
    606,943.80x = 910,537.20 × 180,478.80
  4. Step 4: Simplify right side
    606,943.80x = 164,332,661,211.36
  5. Step 5: Solve for x
    x = 164,332,661,211.36/606,943.80
  6. Step 6: Final answer
    x = 270,754.33

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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.