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Finding the Fourth Proportional to 304,468.20, 456,702.30 and 146,712.60

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Solution

The fourth proportional to 304,468.20, 456,702.30 and 146,712.60 is: 220,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,468.20 : 456,702.30 = 146,712.60 : x
  2. Step 2: Convert to fraction form
    304,468.20/456,702.30 = 146,712.60/x
  3. Step 3: Cross multiply
    304,468.20x = 456,702.30 × 146,712.60
  4. Step 4: Simplify right side
    304,468.20x = 67,003,981,858.98
  5. Step 5: Solve for x
    x = 67,003,981,858.98/304,468.20
  6. Step 6: Final answer
    x = 220,068.90

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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.