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Finding the Fourth Proportional to 304,046.80, 456,070.20 and 192,072.40

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Solution

The fourth proportional to 304,046.80, 456,070.20 and 192,072.40 is: 288,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,046.80 : 456,070.20 = 192,072.40 : x
  2. Step 2: Convert to fraction form
    304,046.80/456,070.20 = 192,072.40/x
  3. Step 3: Cross multiply
    304,046.80x = 456,070.20 × 192,072.40
  4. Step 4: Simplify right side
    304,046.80x = 87,598,497,882.48
  5. Step 5: Solve for x
    x = 87,598,497,882.48/304,046.80
  6. Step 6: Final answer
    x = 288,108.60

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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.