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Finding the Fourth Proportional to 377,393.88, 566,072.33 and 140,718.05

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Solution

The fourth proportional to 377,393.88, 566,072.33 and 140,718.05 is: 211,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,393.88 : 566,072.33 = 140,718.05 : x
  2. Step 2: Convert to fraction form
    377,393.88/566,072.33 = 140,718.05/x
  3. Step 3: Cross multiply
    377,393.88x = 566,072.33 × 140,718.05
  4. Step 4: Simplify right side
    377,393.88x = 79,656,590,902.60
  5. Step 5: Solve for x
    x = 79,656,590,902.60/377,393.88
  6. Step 6: Final answer
    x = 211,070.17

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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.