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Finding the Fourth Proportional to 304,865.90, 456,002.85 and 273,502.70

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Solution

The fourth proportional to 304,865.90, 456,002.85 and 273,502.70 is: 409,091.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,865.90 : 456,002.85 = 273,502.70 : x
  2. Step 2: Convert to fraction form
    304,865.90/456,002.85 = 273,502.70/x
  3. Step 3: Cross multiply
    304,865.90x = 456,002.85 × 273,502.70
  4. Step 4: Simplify right side
    304,865.90x = 124,718,010,682.70
  5. Step 5: Solve for x
    x = 124,718,010,682.70/304,865.90
  6. Step 6: Final answer
    x = 409,091.38

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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.