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Finding the Fourth Proportional to 304,490.70, 456,079.95 and 252,002.70

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Solution

The fourth proportional to 304,490.70, 456,079.95 and 252,002.70 is: 377,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,490.70 : 456,079.95 = 252,002.70 : x
  2. Step 2: Convert to fraction form
    304,490.70/456,079.95 = 252,002.70/x
  3. Step 3: Cross multiply
    304,490.70x = 456,079.95 × 252,002.70
  4. Step 4: Simplify right side
    304,490.70x = 114,933,378,815.87
  5. Step 5: Solve for x
    x = 114,933,378,815.87/304,490.70
  6. Step 6: Final answer
    x = 377,461.05

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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.