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Finding the Fourth Proportional to 450,144.80, 675,022.80 and 225,418.40

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Solution

The fourth proportional to 450,144.80, 675,022.80 and 225,418.40 is: 338,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,144.80 : 675,022.80 = 225,418.40 : x
  2. Step 2: Convert to fraction form
    450,144.80/675,022.80 = 225,418.40/x
  3. Step 3: Cross multiply
    450,144.80x = 675,022.80 × 225,418.40
  4. Step 4: Simplify right side
    450,144.80x = 152,162,559,539.52
  5. Step 5: Solve for x
    x = 152,162,559,539.52/450,144.80
  6. Step 6: Final answer
    x = 338,030.25

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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.