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Finding the Fourth Proportional to 994,879.60, 1,492,902.60 and 363,857.20

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Solution

The fourth proportional to 994,879.60, 1,492,902.60 and 363,857.20 is: 545,999.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,879.60 : 1,492,902.60 = 363,857.20 : x
  2. Step 2: Convert to fraction form
    994,879.60/1,492,902.60 = 363,857.20/x
  3. Step 3: Cross multiply
    994,879.60x = 1,492,902.60 × 363,857.20
  4. Step 4: Simplify right side
    994,879.60x = 543,203,359,908.72
  5. Step 5: Solve for x
    x = 543,203,359,908.72/994,879.60
  6. Step 6: Final answer
    x = 545,999.09

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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.