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Finding the Fourth Proportional to 304,031.70, 455,916.33 and 93,622.86

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Solution

The fourth proportional to 304,031.70, 455,916.33 and 93,622.86 is: 140,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,031.70 : 455,916.33 = 93,622.86 : x
  2. Step 2: Convert to fraction form
    304,031.70/455,916.33 = 93,622.86/x
  3. Step 3: Cross multiply
    304,031.70x = 455,916.33 × 93,622.86
  4. Step 4: Simplify right side
    304,031.70x = 42,684,190,735.30
  5. Step 5: Solve for x
    x = 42,684,190,735.30/304,031.70
  6. Step 6: Final answer
    x = 140,393.88

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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.