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Finding the Fourth Proportional to 304,308.20, 456,462.30 and 93,945.80

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Solution

The fourth proportional to 304,308.20, 456,462.30 and 93,945.80 is: 140,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,308.20 : 456,462.30 = 93,945.80 : x
  2. Step 2: Convert to fraction form
    304,308.20/456,462.30 = 93,945.80/x
  3. Step 3: Cross multiply
    304,308.20x = 456,462.30 × 93,945.80
  4. Step 4: Simplify right side
    304,308.20x = 42,882,715,943.34
  5. Step 5: Solve for x
    x = 42,882,715,943.34/304,308.20
  6. Step 6: Final answer
    x = 140,918.70

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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.