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Finding the Fourth Proportional to 304,874.20, 457,311.30 and 94,533.40

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Solution

The fourth proportional to 304,874.20, 457,311.30 and 94,533.40 is: 141,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,874.20 : 457,311.30 = 94,533.40 : x
  2. Step 2: Convert to fraction form
    304,874.20/457,311.30 = 94,533.40/x
  3. Step 3: Cross multiply
    304,874.20x = 457,311.30 × 94,533.40
  4. Step 4: Simplify right side
    304,874.20x = 43,231,192,047.42
  5. Step 5: Solve for x
    x = 43,231,192,047.42/304,874.20
  6. Step 6: Final answer
    x = 141,800.10

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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.