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Finding the Fourth Proportional to 304,773.40, 455,864.10 and 273,410.20

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Solution

The fourth proportional to 304,773.40, 455,864.10 and 273,410.20 is: 408,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,773.40 : 455,864.10 = 273,410.20 : x
  2. Step 2: Convert to fraction form
    304,773.40/455,864.10 = 273,410.20/x
  3. Step 3: Cross multiply
    304,773.40x = 455,864.10 × 273,410.20
  4. Step 4: Simplify right side
    304,773.40x = 124,637,894,753.82
  5. Step 5: Solve for x
    x = 124,637,894,753.82/304,773.40
  6. Step 6: Final answer
    x = 408,952.67

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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.