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Finding the Fourth Proportional to 450,351.30, 675,332.55 and 225,624.90

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Solution

The fourth proportional to 450,351.30, 675,332.55 and 225,624.90 is: 338,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,351.30 : 675,332.55 = 225,624.90 : x
  2. Step 2: Convert to fraction form
    450,351.30/675,332.55 = 225,624.90/x
  3. Step 3: Cross multiply
    450,351.30x = 675,332.55 × 225,624.90
  4. Step 4: Simplify right side
    450,351.30x = 152,371,839,060.50
  5. Step 5: Solve for x
    x = 152,371,839,060.50/450,351.30
  6. Step 6: Final answer
    x = 338,339.96

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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.