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Finding the Fourth Proportional to 304,456.80, 456,814.80 and 192,223.20

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Solution

The fourth proportional to 304,456.80, 456,814.80 and 192,223.20 is: 288,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,456.80 : 456,814.80 = 192,223.20 : x
  2. Step 2: Convert to fraction form
    304,456.80/456,814.80 = 192,223.20/x
  3. Step 3: Cross multiply
    304,456.80x = 456,814.80 × 192,223.20
  4. Step 4: Simplify right side
    304,456.80x = 87,810,402,663.36
  5. Step 5: Solve for x
    x = 87,810,402,663.36/304,456.80
  6. Step 6: Final answer
    x = 288,416.62

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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.