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Finding the Fourth Proportional to 304,078.80, 456,118.20 and 192,104.40

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Solution

The fourth proportional to 304,078.80, 456,118.20 and 192,104.40 is: 288,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,078.80 : 456,118.20 = 192,104.40 : x
  2. Step 2: Convert to fraction form
    304,078.80/456,118.20 = 192,104.40/x
  3. Step 3: Cross multiply
    304,078.80x = 456,118.20 × 192,104.40
  4. Step 4: Simplify right side
    304,078.80x = 87,622,313,140.08
  5. Step 5: Solve for x
    x = 87,622,313,140.08/304,078.80
  6. Step 6: Final answer
    x = 288,156.60

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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.