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Finding the Fourth Proportional to 304,469.70, 456,704.55 and 94,128.90

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Solution

The fourth proportional to 304,469.70, 456,704.55 and 94,128.90 is: 141,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,469.70 : 456,704.55 = 94,128.90 : x
  2. Step 2: Convert to fraction form
    304,469.70/456,704.55 = 94,128.90/x
  3. Step 3: Cross multiply
    304,469.70x = 456,704.55 × 94,128.90
  4. Step 4: Simplify right side
    304,469.70x = 42,989,096,916.50
  5. Step 5: Solve for x
    x = 42,989,096,916.50/304,469.70
  6. Step 6: Final answer
    x = 141,193.35

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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.