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Finding the Fourth Proportional to 450,400.80, 675,601.20 and 183,986.40

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Solution

The fourth proportional to 450,400.80, 675,601.20 and 183,986.40 is: 275,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,400.80 : 675,601.20 = 183,986.40 : x
  2. Step 2: Convert to fraction form
    450,400.80/675,601.20 = 183,986.40/x
  3. Step 3: Cross multiply
    450,400.80x = 675,601.20 × 183,986.40
  4. Step 4: Simplify right side
    450,400.80x = 124,301,432,623.68
  5. Step 5: Solve for x
    x = 124,301,432,623.68/450,400.80
  6. Step 6: Final answer
    x = 275,979.60

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Similar ratio
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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.