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Finding the Fourth Proportional to 304,799.80, 456,324.90 and 186,701.80

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Solution

The fourth proportional to 304,799.80, 456,324.90 and 186,701.80 is: 279,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,799.80 : 456,324.90 = 186,701.80 : x
  2. Step 2: Convert to fraction form
    304,799.80/456,324.90 = 186,701.80/x
  3. Step 3: Cross multiply
    304,799.80x = 456,324.90 × 186,701.80
  4. Step 4: Simplify right side
    304,799.80x = 85,196,680,214.82
  5. Step 5: Solve for x
    x = 85,196,680,214.82/304,799.80
  6. Step 6: Final answer
    x = 279,516.85

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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.