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Finding the Fourth Proportional to 404,980.80, 607,471.20 and 168,244.80

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Solution

The fourth proportional to 404,980.80, 607,471.20 and 168,244.80 is: 252,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,980.80 : 607,471.20 = 168,244.80 : x
  2. Step 2: Convert to fraction form
    404,980.80/607,471.20 = 168,244.80/x
  3. Step 3: Cross multiply
    404,980.80x = 607,471.20 × 168,244.80
  4. Step 4: Simplify right side
    404,980.80x = 102,203,870,549.76
  5. Step 5: Solve for x
    x = 102,203,870,549.76/404,980.80
  6. Step 6: Final answer
    x = 252,367.20

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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.